{"title":"DD84 Garage \u0026 Diagnostic Tools","description":"\u003ch2\u003eFind the tool for the diagnostic job.\u003c\/h2\u003e\u003cp\u003eBrowse electrical testers, back-probe kits, OBD-II accessories, terminal tools and wiring supplies. Check voltage range, connector type and the exact package contents.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/pages\/contact?service_path=parts#contact_form\" style=\"display:inline-block;background:#b6f52b;color:#12190a;padding:12px 18px;border-radius:9px;font-weight:700;\"\u003eConfirm availability \u0026amp; shipping\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003eSend the product name, your city\/ZIP and intended application. DD84 confirms current availability and shipping options; an ECM tuning review is not required for a tool inquiry.\u003c\/p\u003e","products":[{"product_id":"500-piece-waterproof-heat-shrink-solder-connector-kit","title":"500-Piece Waterproof Heat-Shrink Solder Connector Kit","description":"\u003csection class=\"dd84-offer-summary\" style=\"padding:22px;border:1px solid #4d622b;border-left:4px solid #b6f52b;border-radius:14px;background:#12171b;color:#f5f7fa;margin:0 0 24px;\"\u003e\u003cp style=\"margin:0 0 8px;font-size:12px;letter-spacing:1.2px;color:#b6f52b;font-weight:700;\"\u003eGARAGE \u0026amp; DIAGNOSTIC TOOLS\u003c\/p\u003e\n\u003ch2 style=\"margin:0 0 12px;line-height:1.2;font-size:26px;color:#fff;\"\u003eKeep wiring-repair connectors ready to use.\u003c\/h2\u003e\n\u003cp style=\"margin:0;line-height:1.6;color:#e0e5eb;\"\u003e500-piece solder-seal connector assortment. Match sleeve size and wire gauge, then inspect each completed splice.\u003c\/p\u003e\u003c\/section\u003e\u003ch2 style=\"margin:24px 0 10px;line-height:1.25;\"\u003eClean, sealed wiring repairs for automotive projects\u003c\/h2\u003e\u003cp\u003eA multi-size assortment of heat-shrink solder-seal connectors designed for protected wire splices in automotive, motorcycle, marine, trailer, and shop applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAssorted sizes for common automotive wiring\u003c\/li\u003e\n\u003cli\u003eHeat-shrink insulation with internal solder ring\u003c\/li\u003e\n\u003cli\u003eColor-coded sleeves for fast identification\u003c\/li\u003e\n\u003cli\u003eUseful for harness repair, lighting, accessories, and sensor wiring\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3 style=\"margin:24px 0 10px;line-height:1.25;\"\u003eInstallation note\u003c\/h3\u003e\u003cp\u003eSelect the correct connector for the wire gauge, use a controlled heat source, and inspect and pull-test every completed repair before returning a vehicle to service.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eDirect-ship item. Processing and delivery time may vary by supplier location. Tracking is provided when available.\u003c\/em\u003e\u003c\/p\u003e\u003csection class=\"dd84-product-next-step\" style=\"border-top:1px solid #414954;margin-top:24px;padding-top:8px;\"\u003e\u003ch3\u003eConfirm the tool for your job\u003c\/h3\u003e\n\u003cp\u003eAsk DD84 to confirm the exact item, package contents, availability and shipping to your ZIP code before ordering. Include this product name and the vehicle or circuit involved.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact?service_path=parts#contact_form\" style=\"display:inline-block;padding:12px 18px;border-radius:8px;background:#b6f52b;color:#10140b;font-weight:700;text-decoration:none;\"\u003eAsk about this tool\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/dd84-garage-diagnostic-tools\"\u003eBrowse garage and diagnostic tools\u003c\/a\u003e · Call or text \u003ca href=\"tel:+17062087465\"\u003e706-208-7465\u003c\/a\u003e.\u003c\/p\u003e\u003c\/section\u003e","brand":"DD84 Curated Auto Tools","offers":[{"title":"Default Title","offer_id":46185397682223,"sku":"DD84-DS-HS500","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2005\/3295\/files\/Scef7f45415bd423b9473431b037641a4O.webp?v=1789480540"},{"product_id":"12v-dual-hole-adjustable-spark-plug-tester","title":"12V Dual-Hole Adjustable Spark-Plug Tester","description":"\u003csection class=\"dd84-offer-summary\" style=\"padding:22px;border:1px solid #4d622b;border-left:4px solid #b6f52b;border-radius:14px;background:#12171b;color:#f5f7fa;margin:0 0 24px;\"\u003e\u003cp style=\"margin:0 0 8px;font-size:12px;letter-spacing:1.2px;color:#b6f52b;font-weight:700;\"\u003eGARAGE \u0026amp; DIAGNOSTIC TOOLS\u003c\/p\u003e\n\u003ch2 style=\"margin:0 0 12px;line-height:1.2;font-size:26px;color:#fff;\"\u003eCompare two compatible spark plugs on the bench.\u003c\/h2\u003e\n\u003cp style=\"margin:0;line-height:1.6;color:#e0e5eb;\"\u003eDual-port adjustable-frequency tester for preliminary ignition inspection. Confirm plug dimensions and power-adapter contents before ordering.\u003c\/p\u003e\u003c\/section\u003e\u003ch2 style=\"margin:24px 0 10px;line-height:1.25;\"\u003eCompare spark-plug operation on the workbench\u003c\/h2\u003e\u003cp\u003eA dual-port spark-plug tester for visual comparison and adjustable-frequency testing of compatible automotive and motorcycle spark plugs.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTests two plugs side by side\u003c\/li\u003e\n\u003cli\u003eAdjustable operating frequency\u003c\/li\u003e\n\u003cli\u003eCompact benchtop diagnostic format\u003c\/li\u003e\n\u003cli\u003eUseful for maintenance demonstrations and preliminary inspection\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3 style=\"margin:24px 0 10px;line-height:1.25;\"\u003eDiagnostic note\u003c\/h3\u003e\u003cp\u003eThis is a screening tool and does not replace complete ignition-system diagnosis. Confirm plug dimensions, operating voltage, and included power adapter before use.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eDirect-ship item. Processing and delivery time may vary by supplier location. Tracking is provided when available.\u003c\/em\u003e\u003c\/p\u003e\u003csection class=\"dd84-product-next-step\" style=\"border-top:1px solid #414954;margin-top:24px;padding-top:8px;\"\u003e\u003ch3\u003eConfirm the tool for your job\u003c\/h3\u003e\n\u003cp\u003eAsk DD84 to confirm the exact item, package contents, availability and shipping to your ZIP code before ordering. Include this product name and the vehicle or circuit involved.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact?service_path=parts#contact_form\" style=\"display:inline-block;padding:12px 18px;border-radius:8px;background:#b6f52b;color:#10140b;font-weight:700;text-decoration:none;\"\u003eAsk about this tool\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/dd84-garage-diagnostic-tools\"\u003eBrowse garage and diagnostic tools\u003c\/a\u003e · Call or text \u003ca href=\"tel:+17062087465\"\u003e706-208-7465\u003c\/a\u003e.\u003c\/p\u003e\u003c\/section\u003e","brand":"DD84 Curated Auto Tools","offers":[{"title":"Default Title","offer_id":46185397747759,"sku":"DD84-DS-SPARK-DUAL","price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2005\/3295\/files\/Sbd2aa6bed9914b41a679ec0a49767948o.webp?v=1789480541"},{"product_id":"konnwei-kw208-12v-battery-charging-system-tester","title":"KONNWEI KW208 12V Battery \u0026 Charging-System Tester","description":"\u003csection class=\"dd84-offer-summary\" style=\"padding:22px;border:1px solid #4d622b;border-left:4px solid #b6f52b;border-radius:14px;background:#12171b;color:#f5f7fa;margin:0 0 24px;\"\u003e\u003cp style=\"margin:0 0 8px;font-size:12px;letter-spacing:1.2px;color:#b6f52b;font-weight:700;\"\u003eGARAGE \u0026amp; DIAGNOSTIC TOOLS\u003c\/p\u003e\n\u003ch2 style=\"margin:0 0 12px;line-height:1.2;font-size:26px;color:#fff;\"\u003eCheck battery, cranking and charging condition.\u003c\/h2\u003e\n\u003cp style=\"margin:0;line-height:1.6;color:#e0e5eb;\"\u003eKONNWEI KW208 tester for supported 12V lead-acid batteries. Confirm chemistry, CCA range and language before ordering.\u003c\/p\u003e\u003c\/section\u003e\u003ch2 style=\"margin:24px 0 10px;line-height:1.25;\"\u003eFast battery, cranking, and charging-system checks\u003c\/h2\u003e\u003cp\u003eA handheld 12-volt battery analyzer for supported lead-acid automotive and motorcycle batteries.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBattery-health and CCA testing\u003c\/li\u003e\n\u003cli\u003eCranking-system evaluation\u003c\/li\u003e\n\u003cli\u003eCharging and alternator checks\u003c\/li\u003e\n\u003cli\u003ePortable, vehicle-powered operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3 style=\"margin:24px 0 10px;line-height:1.25;\"\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eDesigned for supported 12V lead-acid batteries. Confirm battery chemistry, stated CCA range, connector style, and language selection before ordering.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eDirect-ship item. Processing and delivery time may vary by supplier location. Tracking is provided when available.\u003c\/em\u003e\u003c\/p\u003e\u003csection class=\"dd84-product-next-step\" style=\"border-top:1px solid #414954;margin-top:24px;padding-top:8px;\"\u003e\u003ch3\u003eConfirm the tool for your job\u003c\/h3\u003e\n\u003cp\u003eAsk DD84 to confirm the exact item, package contents, availability and shipping to your ZIP code before ordering. Include this product name and the vehicle or circuit involved.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact?service_path=parts#contact_form\" style=\"display:inline-block;padding:12px 18px;border-radius:8px;background:#b6f52b;color:#10140b;font-weight:700;text-decoration:none;\"\u003eAsk about this tool\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/dd84-garage-diagnostic-tools\"\u003eBrowse garage and diagnostic tools\u003c\/a\u003e · Call or text \u003ca href=\"tel:+17062087465\"\u003e706-208-7465\u003c\/a\u003e.\u003c\/p\u003e\u003c\/section\u003e","brand":"KONNWEI","offers":[{"title":"Default Title","offer_id":46185397780527,"sku":"DD84-DS-KW208","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2005\/3295\/files\/Sb6db0b9709364d19830487e129d86bd0h.webp?v=1789480543"},{"product_id":"automotive-terminal-pin-connector-repair-assortment","title":"Automotive Terminal-Pin \u0026 Connector Repair Assortment","description":"\u003csection class=\"dd84-offer-summary\" style=\"padding:22px;border:1px solid #4d622b;border-left:4px solid #b6f52b;border-radius:14px;background:#12171b;color:#f5f7fa;margin:0 0 24px;\"\u003e\u003cp style=\"margin:0 0 8px;font-size:12px;letter-spacing:1.2px;color:#b6f52b;font-weight:700;\"\u003eGARAGE \u0026amp; DIAGNOSTIC TOOLS\u003c\/p\u003e\n\u003ch2 style=\"margin:0 0 12px;line-height:1.2;font-size:26px;color:#fff;\"\u003eKeep connector-repair terminals organized.\u003c\/h2\u003e\n\u003cp style=\"margin:0;line-height:1.6;color:#e0e5eb;\"\u003eAssorted non-insulated male\/female terminals. Match the connector family, wire gauge, dimensions and current requirements.\u003c\/p\u003e\u003c\/section\u003e\u003ch2 style=\"margin:24px 0 10px;line-height:1.25;\"\u003eKeep common harness-repair terminals organized\u003c\/h2\u003e\u003cp\u003eA boxed assortment of non-insulated male and female crimp terminals for automotive connector and harness-repair work.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMultiple common terminal profiles\u003c\/li\u003e\n\u003cli\u003eOrganized storage case\u003c\/li\u003e\n\u003cli\u003eSuitable for selected repair and wiring-practice applications\u003c\/li\u003e\n\u003cli\u003ePairs with open-barrel crimpers and depinning tools\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3 style=\"margin:24px 0 10px;line-height:1.25;\"\u003eSelection note\u003c\/h3\u003e\u003cp\u003eMatch terminal dimensions, material, wire gauge, sealing system, connector family, and required current capacity before installation.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eDirect-ship item. Exact terminal mix, processing, and delivery time may vary by supplier selection. Tracking is provided when available.\u003c\/em\u003e\u003c\/p\u003e\u003csection class=\"dd84-product-next-step\" style=\"border-top:1px solid #414954;margin-top:24px;padding-top:8px;\"\u003e\u003ch3\u003eConfirm the tool for your job\u003c\/h3\u003e\n\u003cp\u003eAsk DD84 to confirm the exact item, package contents, availability and shipping to your ZIP code before ordering. Include this product name and the vehicle or circuit involved.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact?service_path=parts#contact_form\" style=\"display:inline-block;padding:12px 18px;border-radius:8px;background:#b6f52b;color:#10140b;font-weight:700;text-decoration:none;\"\u003eAsk about this tool\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/dd84-garage-diagnostic-tools\"\u003eBrowse garage and diagnostic tools\u003c\/a\u003e · Call or text \u003ca href=\"tel:+17062087465\"\u003e706-208-7465\u003c\/a\u003e.\u003c\/p\u003e\u003c\/section\u003e","brand":"DD84 Curated Auto Tools","offers":[{"title":"Default Title","offer_id":46185397813295,"sku":"DD84-DS-PIN-ASST","price":64.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2005\/3295\/files\/S3c90d041d5344806a4ff7c8287107f81c.webp?v=1789480544"},{"product_id":"ratcheting-heat-shrink-connector-crimping-tool","title":"Ratcheting Heat-Shrink Connector Crimping Tool","description":"\u003csection class=\"dd84-offer-summary\" style=\"padding:22px;border:1px solid #4d622b;border-left:4px solid #b6f52b;border-radius:14px;background:#12171b;color:#f5f7fa;margin:0 0 24px;\"\u003e\u003cp style=\"margin:0 0 8px;font-size:12px;letter-spacing:1.2px;color:#b6f52b;font-weight:700;\"\u003eGARAGE \u0026amp; DIAGNOSTIC TOOLS\u003c\/p\u003e\n\u003ch2 style=\"margin:0 0 12px;line-height:1.2;font-size:26px;color:#fff;\"\u003eMake repeatable crimps with the correct terminal.\u003c\/h2\u003e\n\u003cp style=\"margin:0;line-height:1.6;color:#e0e5eb;\"\u003eRatcheting crimper for compatible insulated heat-shrink terminals. Confirm the die profile and terminal gauge before use.\u003c\/p\u003e\u003c\/section\u003e\u003ch2 style=\"margin:24px 0 10px;line-height:1.25;\"\u003eConsistent crimps for insulated automotive terminals\u003c\/h2\u003e\u003cp\u003eA ratcheting hand crimper designed for compatible insulated heat-shrink butt connectors in common automotive wire sizes.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRatcheting mechanism for repeatable compression\u003c\/li\u003e\n\u003cli\u003eCompatible with selected 20–10 AWG insulated terminals\u003c\/li\u003e\n\u003cli\u003eComfort-grip hand-tool format\u003c\/li\u003e\n\u003cli\u003eUseful for automotive, trailer, marine, and accessory wiring\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3 style=\"margin:24px 0 10px;line-height:1.25;\"\u003eInstallation note\u003c\/h3\u003e\u003cp\u003eConfirm the die profile matches the terminal type. Visually inspect and pull-test every completed crimp.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eDirect-ship item. Processing and delivery time may vary by supplier location. Tracking is provided when available.\u003c\/em\u003e\u003c\/p\u003e\u003csection class=\"dd84-product-next-step\" style=\"border-top:1px solid #414954;margin-top:24px;padding-top:8px;\"\u003e\u003ch3\u003eConfirm the tool for your job\u003c\/h3\u003e\n\u003cp\u003eAsk DD84 to confirm the exact item, package contents, availability and shipping to your ZIP code before ordering. Include this product name and the vehicle or circuit involved.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact?service_path=parts#contact_form\" style=\"display:inline-block;padding:12px 18px;border-radius:8px;background:#b6f52b;color:#10140b;font-weight:700;text-decoration:none;\"\u003eAsk about this tool\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/dd84-garage-diagnostic-tools\"\u003eBrowse garage and diagnostic tools\u003c\/a\u003e · Call or text \u003ca href=\"tel:+17062087465\"\u003e706-208-7465\u003c\/a\u003e.\u003c\/p\u003e\u003c\/section\u003e","brand":"DD84 Curated Auto Tools","offers":[{"title":"Default Title","offer_id":46185397878831,"sku":"DD84-DS-CRIMP-HS","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2005\/3295\/files\/dd84-hs125-supplier-photo.png?v=1792151796"},{"product_id":"11-piece-automotive-terminal-pin-extractor-kit","title":"11-Piece Automotive Terminal-Pin Extractor Kit","description":"\u003csection class=\"dd84-offer-summary\" style=\"padding:22px;border:1px solid #4d622b;border-left:4px solid #b6f52b;border-radius:14px;background:#12171b;color:#f5f7fa;margin:0 0 24px;\"\u003e\u003cp style=\"margin:0 0 8px;font-size:12px;letter-spacing:1.2px;color:#b6f52b;font-weight:700;\"\u003eGARAGE \u0026amp; DIAGNOSTIC TOOLS\u003c\/p\u003e\n\u003ch2 style=\"margin:0 0 12px;line-height:1.2;font-size:26px;color:#fff;\"\u003eRelease terminals with the right tool profile.\u003c\/h2\u003e\n\u003cp style=\"margin:0;line-height:1.6;color:#e0e5eb;\"\u003e11-piece automotive depinning-tool set. Match the connector and release method before inserting a tool.\u003c\/p\u003e\u003c\/section\u003e\u003ch2 style=\"margin:24px 0 10px;line-height:1.25;\"\u003eRelease connector terminals without unnecessary harness damage\u003c\/h2\u003e\u003cp\u003eAn 11-piece depinning-tool set for selected automotive electrical connectors and repair work.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMultiple extractor profiles\u003c\/li\u003e\n\u003cli\u003eCompact kit for mobile or shop use\u003c\/li\u003e\n\u003cli\u003eUseful for connector service and harness modification\u003c\/li\u003e\n\u003cli\u003ePairs with terminal assortments and proper crimp tools\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3 style=\"margin:24px 0 10px;line-height:1.25;\"\u003eUse note\u003c\/h3\u003e\u003cp\u003eIdentify the connector lock and correct release tool before insertion. Never force a tool into a terminal cavity.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eDirect-ship item. Processing and delivery time may vary by supplier location. Tracking is provided when available.\u003c\/em\u003e\u003c\/p\u003e\u003csection class=\"dd84-product-next-step\" style=\"border-top:1px solid #414954;margin-top:24px;padding-top:8px;\"\u003e\u003ch3\u003eConfirm the tool for your job\u003c\/h3\u003e\n\u003cp\u003eAsk DD84 to confirm the exact item, package contents, availability and shipping to your ZIP code before ordering. Include this product name and the vehicle or circuit involved.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact?service_path=parts#contact_form\" style=\"display:inline-block;padding:12px 18px;border-radius:8px;background:#b6f52b;color:#10140b;font-weight:700;text-decoration:none;\"\u003eAsk about this tool\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/dd84-garage-diagnostic-tools\"\u003eBrowse garage and diagnostic tools\u003c\/a\u003e · Call or text \u003ca href=\"tel:+17062087465\"\u003e706-208-7465\u003c\/a\u003e.\u003c\/p\u003e\u003c\/section\u003e","brand":"DD84 Curated Auto Tools","offers":[{"title":"Default Title","offer_id":46185397911599,"sku":"DD84-DS-DEPIN-11","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2005\/3295\/files\/S8fffd55dbb88468aa228a2da9a14054cP.webp?v=1789480548"},{"product_id":"6-24v-multifunction-automotive-circuit-tester","title":"6–24V Multifunction Automotive Circuit Tester","description":"\u003csection class=\"dd84-offer-summary\" style=\"padding:22px;border:1px solid #4d622b;border-left:4px solid #b6f52b;border-radius:14px;background:#12171b;color:#f5f7fa;margin:0 0 24px;\"\u003e\u003cp style=\"margin:0 0 8px;font-size:12px;letter-spacing:1.2px;color:#b6f52b;font-weight:700;\"\u003eGARAGE \u0026amp; DIAGNOSTIC TOOLS\u003c\/p\u003e\n\u003ch2 style=\"margin:0 0 12px;line-height:1.2;font-size:26px;color:#fff;\"\u003eTrace supported low-voltage electrical circuits.\u003c\/h2\u003e\n\u003cp style=\"margin:0;line-height:1.6;color:#e0e5eb;\"\u003e6–24V DC circuit-testing tool. Confirm availability, exact functions, included accessories and destination shipping with DD84.\u003c\/p\u003e\u003c\/section\u003e\u003csection aria-label=\"Parts purchase help\"\u003e\u003ch2 style=\"margin:24px 0 10px;line-height:1.25;\"\u003eCheck availability and fit before ordering\u003c\/h2\u003e\n\u003cp\u003eAsk DD84 to confirm current availability, package contents, compatibility and shipping options for your destination. Include your city\/ZIP, the item or SKU \u003cstrong\u003eDD84-DS-CIRCUIT-624\u003c\/strong\u003e, and the vehicle or devices you plan to use it with.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact?service_path=parts\u0026amp;utm_source=shopify\u0026amp;utm_medium=product\u0026amp;utm_campaign=parts_inquiry\u0026amp;utm_content=DD84-DS-CIRCUIT-624#contact_form\"\u003eAsk DD84 about this tool\u003c\/a\u003e. General parts and tool questions can use this inquiry form; an ECM calibration review is for tuning or controller questions.\u003c\/p\u003e\u003c\/section\u003e\u003ch2 style=\"margin:24px 0 10px;line-height:1.25;\"\u003eTrace common 6–24V DC vehicle electrical faults\u003c\/h2\u003e\u003cp\u003eA handheld circuit probe for preliminary automotive electrical diagnosis, including voltage, polarity, continuity, and selected component checks.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDigital voltage display\u003c\/li\u003e\n\u003cli\u003eDesigned for 6–24V DC vehicle systems\u003c\/li\u003e\n\u003cli\u003eProbe-and-lead format for garage or mobile diagnostics\u003c\/li\u003e\n\u003cli\u003eUseful for wiring, fuse, switch, relay, and accessory troubleshooting\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3 style=\"margin:24px 0 10px;line-height:1.25;\"\u003eImportant use note\u003c\/h3\u003e\u003cp\u003eCheck the manufacturer instructions for the exact functions, current limits, lead length and included accessories before connecting the tool. Do not use on airbags, high-voltage hybrid\/EV circuits, or any circuit outside the manufacturer’s stated limits. This tool does not replace a properly rated multimeter.\u003c\/p\u003e\u003csection class=\"dd84-product-next-step\" style=\"border-top:1px solid #414954;margin-top:24px;padding-top:8px;\"\u003e\u003ch3\u003eConfirm the tool for your job\u003c\/h3\u003e\n\u003cp\u003eAsk DD84 to confirm the exact item, package contents, availability and shipping to your ZIP code before ordering. Include this product name and the vehicle or circuit involved.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact?service_path=parts#contact_form\" style=\"display:inline-block;padding:12px 18px;border-radius:8px;background:#b6f52b;color:#10140b;font-weight:700;text-decoration:none;\"\u003eAsk about this tool\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/dd84-garage-diagnostic-tools\"\u003eBrowse garage and diagnostic tools\u003c\/a\u003e · Call or text \u003ca href=\"tel:+17062087465\"\u003e706-208-7465\u003c\/a\u003e.\u003c\/p\u003e\u003c\/section\u003e","brand":"DD84 Curated Auto Tools","offers":[{"title":"Default Title","offer_id":46233249349679,"sku":"DD84-DS-CIRCUIT-624","price":29.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2005\/3295\/files\/S92123ea27ce943b592ddeb61e1a1eb42P.webp?v=1789992915"},{"product_id":"automotive-blade-fuse-tester-puller-up-to-24v-dc","title":"Automotive Blade-Fuse Tester \u0026 Puller — Up to 24V DC","description":"\u003csection class=\"dd84-offer-summary\" style=\"padding:22px;border:1px solid #4d622b;border-left:4px solid #b6f52b;border-radius:14px;background:#12171b;color:#f5f7fa;margin:0 0 24px;\"\u003e\u003cp style=\"margin:0 0 8px;font-size:12px;letter-spacing:1.2px;color:#b6f52b;font-weight:700;\"\u003eGARAGE \u0026amp; DIAGNOSTIC TOOLS\u003c\/p\u003e\n\u003ch2 style=\"margin:0 0 12px;line-height:1.2;font-size:26px;color:#fff;\"\u003eCheck and remove compatible blade fuses.\u003c\/h2\u003e\n\u003cp style=\"margin:0;line-height:1.6;color:#e0e5eb;\"\u003eCompact fuse tester\/puller for supported DC applications up to 24V. Confirm the exact fuse formats and availability before ordering.\u003c\/p\u003e\u003c\/section\u003e\u003csection aria-label=\"Parts purchase help\"\u003e\u003ch2 style=\"margin:24px 0 10px;line-height:1.25;\"\u003eCheck availability and fit before ordering\u003c\/h2\u003e\n\u003cp\u003eAsk DD84 to confirm current availability, package contents, compatibility and shipping options for your destination. Include your city\/ZIP, the item or SKU \u003cstrong\u003eDD84-DS-FUSE-24V\u003c\/strong\u003e, and the vehicle or devices you plan to use it with.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact?service_path=parts\u0026amp;utm_source=shopify\u0026amp;utm_medium=product\u0026amp;utm_campaign=parts_inquiry\u0026amp;utm_content=DD84-DS-FUSE-24V#contact_form\"\u003eAsk DD84 about this tool\u003c\/a\u003e. General parts and tool questions can use this inquiry form; an ECM calibration review is for tuning or controller questions.\u003c\/p\u003e\u003c\/section\u003e\u003ch2 style=\"margin:24px 0 10px;line-height:1.25;\"\u003eCheck and remove common automotive blade fuses\u003c\/h2\u003e\u003cp\u003eA compact tester-and-puller intended for quick preliminary checks of supported automotive blade fuses and circuit breakers.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTest-and-pull handheld format\u003c\/li\u003e\n\u003cli\u003eIntended for DC vehicle electrical systems up to the supplier-stated 24V limit\u003c\/li\u003e\n\u003cli\u003eDesigned for selected mini and standard blade-fuse formats\u003c\/li\u003e\n\u003cli\u003eCompact addition to a glovebox or diagnostic kit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3 style=\"margin:24px 0 10px;line-height:1.25;\"\u003eImportant use note\u003c\/h3\u003e\u003cp\u003eCheck the manufacturer instructions for supported fuse formats, polarity, voltage range and indicator behavior before use. De-energize circuits before removing fuses where the vehicle service procedure requires it. This tool does not replace a properly rated multimeter.\u003c\/p\u003e\u003csection class=\"dd84-product-next-step\" style=\"border-top:1px solid #414954;margin-top:24px;padding-top:8px;\"\u003e\u003ch3\u003eConfirm the tool for your job\u003c\/h3\u003e\n\u003cp\u003eAsk DD84 to confirm the exact item, package contents, availability and shipping to your ZIP code before ordering. Include this product name and the vehicle or circuit involved.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact?service_path=parts#contact_form\" style=\"display:inline-block;padding:12px 18px;border-radius:8px;background:#b6f52b;color:#10140b;font-weight:700;text-decoration:none;\"\u003eAsk about this tool\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/dd84-garage-diagnostic-tools\"\u003eBrowse garage and diagnostic tools\u003c\/a\u003e · Call or text \u003ca href=\"tel:+17062087465\"\u003e706-208-7465\u003c\/a\u003e.\u003c\/p\u003e\u003c\/section\u003e","brand":"DD84 Curated Auto Tools","offers":[{"title":"Default Title","offer_id":46233249415215,"sku":"DD84-DS-FUSE-24V","price":29.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2005\/3295\/files\/S6342e2d40e8a44f0b7bcc8ed1fc7c4b9s.webp?v=1789992917"},{"product_id":"12v-automotive-relay-tester-4-5-pin-led-diagnostic-tool","title":"12V Automotive Relay Tester — 4\/5-Pin","description":"\u003csection class=\"dd84-offer-summary\" style=\"padding:22px;border:1px solid #4d622b;border-left:4px solid #b6f52b;border-radius:14px;background:#12171b;color:#f5f7fa;margin:0 0 24px;\"\u003e\u003cp style=\"margin:0 0 8px;font-size:12px;letter-spacing:1.2px;color:#b6f52b;font-weight:700;\"\u003eGARAGE \u0026amp; DIAGNOSTIC TOOLS\u003c\/p\u003e\n\u003ch2 style=\"margin:0 0 12px;line-height:1.2;font-size:26px;color:#fff;\"\u003eScreen compatible four-pin and five-pin relays.\u003c\/h2\u003e\n\u003cp style=\"margin:0;line-height:1.6;color:#e0e5eb;\"\u003e12V relay tester with LED indication and battery leads. Confirm relay layout, coil requirements and item availability before ordering.\u003c\/p\u003e\u003c\/section\u003e\u003csection aria-label=\"Parts purchase help\"\u003e\u003ch2 style=\"margin:24px 0 10px;line-height:1.25;\"\u003eCheck availability and fit before ordering\u003c\/h2\u003e\n\u003cp\u003eAsk DD84 to confirm current availability, package contents, compatibility and shipping options for your destination. Include your city\/ZIP, the item or SKU \u003cstrong\u003eDD84-DS-RELAY-12V\u003c\/strong\u003e, and the vehicle or devices you plan to use it with.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact?service_path=parts\u0026amp;utm_source=shopify\u0026amp;utm_medium=product\u0026amp;utm_campaign=parts_inquiry\u0026amp;utm_content=DD84-DS-RELAY-12V#contact_form\"\u003eAsk DD84 about this tool\u003c\/a\u003e. General parts and tool questions can use this inquiry form; an ECM calibration review is for tuning or controller questions.\u003c\/p\u003e\u003c\/section\u003e\u003ch2 style=\"margin:24px 0 10px;line-height:1.25;\"\u003eCheck common automotive relays without guesswork\u003c\/h2\u003e\u003cp\u003eA compact 12-volt tester for preliminary diagnosis of compatible four-pin and five-pin electromechanical automotive relays. Connect it to a suitable 11–15V battery, select the relay type, insert a compatible relay and run the automated test cycle. LED indicators provide a quick pass\/fail result.\u003c\/p\u003e\u003ch3 style=\"margin:24px 0 10px;line-height:1.25;\"\u003eUseful for\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCooling-fan, fuel-pump and accessory-relay checks\u003c\/li\u003e\n\u003cli\u003eQuick comparison before replacing a suspected relay\u003c\/li\u003e\n\u003cli\u003eAutomotive electrical and wiring diagnosis\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3 style=\"margin:24px 0 10px;line-height:1.25;\"\u003eImportant\u003c\/h3\u003e\u003cp\u003eConfirm the relay pin arrangement and coil resistance before testing. This tool is not intended for solid-state relays, nonstandard pin layouts or direct high-current circuit testing. A passing result does not replace loaded voltage-drop and in-circuit diagnosis.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePackage:\u003c\/strong\u003e one relay tester with battery leads.\u003c\/p\u003e\u003csection class=\"dd84-product-next-step\" style=\"border-top:1px solid #414954;margin-top:24px;padding-top:8px;\"\u003e\u003ch3\u003eConfirm the tool for your job\u003c\/h3\u003e\n\u003cp\u003eAsk DD84 to confirm the exact item, package contents, availability and shipping to your ZIP code before ordering. Include this product name and the vehicle or circuit involved.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact?service_path=parts#contact_form\" style=\"display:inline-block;padding:12px 18px;border-radius:8px;background:#b6f52b;color:#10140b;font-weight:700;text-decoration:none;\"\u003eAsk about this tool\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/dd84-garage-diagnostic-tools\"\u003eBrowse garage and diagnostic tools\u003c\/a\u003e · Call or text \u003ca href=\"tel:+17062087465\"\u003e706-208-7465\u003c\/a\u003e.\u003c\/p\u003e\u003c\/section\u003e","brand":"DD84 Curated Auto Tools","offers":[{"title":"Default Title","offer_id":46237298524207,"sku":"DD84-DS-RELAY-12V","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2005\/3295\/files\/dd84-12v-automotive-relay-tester.webp?v=1790070905"},{"product_id":"30-piece-automotive-back-probe-multimeter-test-lead-kit","title":"30-Piece Automotive Back-Probe \u0026 Test-Lead Kit","description":"\u003csection class=\"dd84-offer-summary\" style=\"padding:22px;border:1px solid #4d622b;border-left:4px solid #b6f52b;border-radius:14px;background:#12171b;color:#f5f7fa;margin:0 0 24px;\"\u003e\u003cp style=\"margin:0 0 8px;font-size:12px;letter-spacing:1.2px;color:#b6f52b;font-weight:700;\"\u003eGARAGE \u0026amp; DIAGNOSTIC TOOLS\u003c\/p\u003e\n\u003ch2 style=\"margin:0 0 12px;line-height:1.2;font-size:26px;color:#fff;\"\u003eReach connector signals with suitable probes.\u003c\/h2\u003e\n\u003cp style=\"margin:0;line-height:1.6;color:#e0e5eb;\"\u003e30-piece automotive test-lead and back-probe kit for standard 4mm banana connections. Confirm contents and availability before ordering.\u003c\/p\u003e\u003c\/section\u003e\u003csection aria-label=\"Parts purchase help\"\u003e\u003ch2 style=\"margin:24px 0 10px;line-height:1.25;\"\u003eCheck availability and fit before ordering\u003c\/h2\u003e\n\u003cp\u003eAsk DD84 to confirm current availability, package contents, compatibility and shipping options for your destination. Include your city\/ZIP, the item or SKU \u003cstrong\u003eDD84-DS-BACKPROBE-30\u003c\/strong\u003e, and the vehicle or devices you plan to use it with.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact?service_path=parts\u0026amp;utm_source=shopify\u0026amp;utm_medium=product\u0026amp;utm_campaign=parts_inquiry\u0026amp;utm_content=DD84-DS-BACKPROBE-30#contact_form\"\u003eAsk DD84 about this tool\u003c\/a\u003e. General parts and tool questions can use this inquiry form; an ECM calibration review is for tuning or controller questions.\u003c\/p\u003e\u003c\/section\u003e\u003ch2 style=\"margin:24px 0 10px;line-height:1.25;\"\u003eReach connector signals without forcing oversized meter probes\u003c\/h2\u003e\u003cp\u003eA 30-piece low-voltage automotive diagnostic set built around standard 4mm banana-plug multimeter connections. The assorted leads, clips and fine-probe accessories help technicians access connector terminals and wiring during continuity, reference-voltage and signal checks.\u003c\/p\u003e\u003ch3 style=\"margin:24px 0 10px;line-height:1.25;\"\u003eUseful for\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSensor and actuator connector diagnosis\u003c\/li\u003e\n\u003cli\u003eHarness continuity and voltage checks\u003c\/li\u003e\n\u003cli\u003eGround, reference-voltage and signal testing\u003c\/li\u003e\n\u003cli\u003eBench and vehicle electrical work\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3 style=\"margin:24px 0 10px;line-height:1.25;\"\u003eImportant\u003c\/h3\u003e\u003cp\u003eUse back-probing whenever practical and avoid damaging connector seals or spreading terminals. Do not use on ignition-secondary voltage, hybrid\/EV high-voltage systems or circuits beyond the ratings of your meter and leads. Verify the exact kit contents on delivery before professional use.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePackage:\u003c\/strong\u003e one 30-piece assorted test-lead and probe kit.\u003c\/p\u003e\u003csection class=\"dd84-product-next-step\" style=\"border-top:1px solid #414954;margin-top:24px;padding-top:8px;\"\u003e\u003ch3\u003eConfirm the tool for your job\u003c\/h3\u003e\n\u003cp\u003eAsk DD84 to confirm the exact item, package contents, availability and shipping to your ZIP code before ordering. Include this product name and the vehicle or circuit involved.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact?service_path=parts#contact_form\" style=\"display:inline-block;padding:12px 18px;border-radius:8px;background:#b6f52b;color:#10140b;font-weight:700;text-decoration:none;\"\u003eAsk about this tool\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/dd84-garage-diagnostic-tools\"\u003eBrowse garage and diagnostic tools\u003c\/a\u003e · Call or text \u003ca href=\"tel:+17062087465\"\u003e706-208-7465\u003c\/a\u003e.\u003c\/p\u003e\u003c\/section\u003e","brand":"DD84 Curated Auto Tools","offers":[{"title":"Default Title","offer_id":46237298556975,"sku":"DD84-DS-BACKPROBE-30","price":32.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2005\/3295\/files\/dd84-30-piece-automotive-back-probe-kit.webp?v=1790070907"},{"product_id":"obd-ii-16-pin-1-to-2-diagnostic-splitter-cable","title":"OBD-II 16-Pin 1-to-2 Diagnostic Splitter Cable","description":"\u003csection class=\"dd84-offer-summary\" style=\"padding:22px;border:1px solid #4d622b;border-left:4px solid #b6f52b;border-radius:14px;background:#12171b;color:#f5f7fa;margin:0 0 24px;\"\u003e\u003cp style=\"margin:0 0 8px;font-size:12px;letter-spacing:1.2px;color:#b6f52b;font-weight:700;\"\u003eGARAGE \u0026amp; DIAGNOSTIC TOOLS\u003c\/p\u003e\n\u003ch2 style=\"margin:0 0 12px;line-height:1.2;font-size:26px;color:#fff;\"\u003eAdd a second physical OBD-II connection.\u003c\/h2\u003e\n\u003cp style=\"margin:0;line-height:1.6;color:#e0e5eb;\"\u003e16-pin one-to-two splitter cable. Device power, pin use and bus compatibility must be checked; simultaneous scan-tool operation is not guaranteed.\u003c\/p\u003e\u003c\/section\u003e\u003csection aria-label=\"Parts purchase help\"\u003e\u003ch2 style=\"margin:24px 0 10px;line-height:1.25;\"\u003eCheck availability and fit before ordering\u003c\/h2\u003e\n\u003cp\u003eAsk DD84 to confirm current availability, package contents, compatibility and shipping options for your destination. Include your city\/ZIP, the item or SKU \u003cstrong\u003eDD84-DS-OBD2-SPLIT-2\u003c\/strong\u003e, and the vehicle or devices you plan to use it with.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact?service_path=parts\u0026amp;utm_source=shopify\u0026amp;utm_medium=product\u0026amp;utm_campaign=parts_inquiry\u0026amp;utm_content=DD84-DS-OBD2-SPLIT-2#contact_form\"\u003eAsk DD84 about this tool\u003c\/a\u003e. General parts and tool questions can use this inquiry form; an ECM calibration review is for tuning or controller questions.\u003c\/p\u003e\u003c\/section\u003e\u003ch2 style=\"margin:24px 0 10px;line-height:1.25;\"\u003eConnect two compatible OBD-II devices through one vehicle port\u003c\/h2\u003e\u003cp\u003eA compact 16-pin male-to-dual-female splitter cable for diagnostic and data-access setups that need two physical OBD-II connections. It can help connect a scan tool alongside a compatible logger, monitor or service accessory without repeatedly unplugging the vehicle connector.\u003c\/p\u003e\u003ch3 style=\"margin:24px 0 10px;line-height:1.25;\"\u003eUseful for\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eScanner and data-logger setups\u003c\/li\u003e\n\u003cli\u003eTemporary diagnostic equipment connections\u003c\/li\u003e\n\u003cli\u003eReducing repeated wear on the vehicle diagnostic port\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3 style=\"margin:24px 0 10px;line-height:1.25;\"\u003eCompatibility warning\u003c\/h3\u003e\u003cp\u003eTwo devices can compete for the same communication bus or exceed the vehicle port's available current. Confirm both devices' protocol, pin use and power requirements before simultaneous connection. This cable does not guarantee that two active scan tools can communicate at the same time.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eConfiguration:\u003c\/strong\u003e one standard 16-pin male connector to two standard 16-pin female connectors.\u003c\/p\u003e\u003csection class=\"dd84-product-next-step\" style=\"border-top:1px solid #414954;margin-top:24px;padding-top:8px;\"\u003e\u003ch3\u003eConfirm the tool for your job\u003c\/h3\u003e\n\u003cp\u003eAsk DD84 to confirm the exact item, package contents, availability and shipping to your ZIP code before ordering. Include this product name and the vehicle or circuit involved.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact?service_path=parts#contact_form\" style=\"display:inline-block;padding:12px 18px;border-radius:8px;background:#b6f52b;color:#10140b;font-weight:700;text-decoration:none;\"\u003eAsk about this tool\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/dd84-garage-diagnostic-tools\"\u003eBrowse garage and diagnostic tools\u003c\/a\u003e · Call or text \u003ca href=\"tel:+17062087465\"\u003e706-208-7465\u003c\/a\u003e.\u003c\/p\u003e\u003c\/section\u003e","brand":"DD84 Curated Auto Tools","offers":[{"title":"Default Title","offer_id":46237298589743,"sku":"DD84-DS-OBD2-SPLIT-2","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2005\/3295\/files\/dd84-obd2-one-to-two-splitter-cable.webp?v=1790070909"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2005\/3295\/collections\/dd84-shop-all-tuning-diagnostics-performance-hero.png?v=1790088262","url":"https:\/\/shop.downdirty84llc.com\/collections\/dd84-garage-diagnostic-tools.oembed","provider":"Down Dirty 84 LLC","version":"1.0","type":"link"}