{"title":"Engine Wiring Harnesses","description":null,"products":[{"product_id":"elite-2500-basic-univ-wire-harness","title":"Elite 2500 - 2.5m (8 ft) Basic Uni Wire-in Harness Only.","description":"Wiring Harness - Elite - ECU Basic Harness - 8 ft Long - Universal - Kit","brand":"Haltech","offers":[{"title":"Default Title","offer_id":51689269461160,"sku":"GPWB_HT-141302","price":360.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/HTHHT-141302.jpg?v=1741120557"},{"product_id":"elite-2500-premium-univ-wire-harness","title":"Elite 2500 - 2.5m (8 ft) Premium Uni Wire-in Harness","description":"Elite 2500 \u0026amp; 2500 T Premium Universal Wire-in Harness, Length: 2.5m (8'), Includes: Firewall grommet, moulded 6 power circuit Haltech fuse box and lid. 4 relays, 7 fuses and pins for the 2 spare power circuits.","brand":"Haltech","offers":[{"title":"Default Title","offer_id":51689272049832,"sku":"GPWB_HT-141304","price":520.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/HTHHT-141304.jpg?v=1741120568"},{"product_id":"elite-2000-2500-non-dbw-terminated-wire-harness","title":"Elite 2000\/2500 GM GEN III LS1 non DBW Term Harness Only EV1","description":"Elite 2000\/2500 GM GEN III LS1 non DBW Term Harness Only EV1","brand":"Haltech","offers":[{"title":"Default Title","offer_id":51689276571816,"sku":"GPWB_HT-141360","price":839.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/HTHHT-141360.jpg?v=1741120591"},{"product_id":"elite-2500-dbw-retrofit-terminated-wire-harness","title":"Elite 2500 GM GEN III LS1 (DBW Ready) Term Harn Only - EV1","description":"Elite 2500 GM GEN III LS1 (DBW Ready) Term Harn Only - EV1","brand":"Haltech","offers":[{"title":"Default Title","offer_id":51689281913000,"sku":"GPWB_HT-141362","price":839.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/HTHHT-141362.jpg?v=1741120615"},{"product_id":"elite-2000-2500-non-dbw-terminated-wire-harness-1","title":"Elite 2000\/2500 GM GEN IV LS2 non DBW Term Harness Only EV1","description":"Elite 2000\/2500 GM GEN IV LS2 non DBW Term Harness Only EV1","brand":"Haltech","offers":[{"title":"Default Title","offer_id":51689286926504,"sku":"GPWB_HT-141364","price":839.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/HTHHT-141364.jpg?v=1741120639"},{"product_id":"elite-2000-2500-non-dbw-terminated-wire-harness-2","title":"Elite 2000\/2500 GM GEN IV LS2 non DBW Term Harness Only EV6","description":"Elite 2000\/2500 GM GEN IV LS2 non DBW Term Harness Only EV6","brand":"Haltech","offers":[{"title":"Default Title","offer_id":51689290989736,"sku":"GPWB_HT-141365","price":839.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/HTHHT-141365.jpg?v=1741120660"},{"product_id":"elite-2500-dbw-ready-terminated-wire-harness","title":"Elite 2000\/2500 GM GEN IV LS2 DBW Ready Term Harn Only - EV1","description":"Elite 2000\/2500 GM GEN IV LS2 DBW Ready Term Harn Only - EV1","brand":"Haltech","offers":[{"title":"Default Title","offer_id":51689295708328,"sku":"GPWB_HT-141366","price":839.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/HTHHT-141366.jpg?v=1741120683"},{"product_id":"elite-2500-dbw-ready-terminated-wire-harness-1","title":"Elite 2500 GM GEN IV LS2 DBW Ready Term Harn Only - EV6","description":"Elite 2500 GM GEN IV LS2 DBW Ready Term Harn Only - EV6","brand":"Haltech","offers":[{"title":"Default Title","offer_id":51689297674408,"sku":"GPWB_HT-141367","price":839.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/HTHHT-141367.jpg?v=1741120694"},{"product_id":"elite-2000-2500-ev1-terminated-wire-harness","title":"Elite 2500\/2500 T V8 GM, Ford \u0026 Chrysler Term Harn Only EV1","description":"Elite 2500\/2500 T V8 GM, Ford \u0026amp; Chrysler Term Harn Only EV1","brand":"Haltech","offers":[{"title":"Default Title","offer_id":51689302884520,"sku":"GPWB_HT-141376","price":940.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/HTHHT-141376.jpg?v=1741120718"},{"product_id":"flying-lead-main-harness","title":"Unterminated 15' Flying Lead Main Harness","description":"The unterminated main harness comes with both J1A and J1B connectors full terminated with 15' of flying lead wiring.","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":51711877349544,"sku":"GVMR_558-126","price":449.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/HLY558-126.jpg?v=1741292817"},{"product_id":"bench-top-efi-test-harness","title":"Holley EFI Benchtop Harness","description":"Designed for benchtop testing and setup of HP, Dominator, Terminator X, Terminator X Max, and Sniper ECU's, as well as 7\" dashes. Great for ECU diagnostics, firmware updating, or pre-configuring dash layouts without being in the vehicle. Harness has pre-terminated connectors for the following sensor inputs: CAN, Crank, Cam, TPS, Input #1, P1A, Main Power, and Sniper EFI connectors for a Sniper main harness. Also includes a power switch for quick setup in your workspace. Power and Ground flying leads need to be connected to your battery or power supply. (Not included)","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":51711882985640,"sku":"GVMR_558-127","price":249.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/HLY558-127.jpg?v=1741292837"},{"product_id":"engine-main-harness-ford-5-0l-5-8l","title":"Holley EFI Ford Foxbody Main Harness","description":"This harness is for fuel injected small block ford engines such as 5.0L or 5.8L Windsor powerplants. Plug and play ignition capability with Dual Sync and HyperSpark Distributors. The 5.0L Ford main harness is pre-terminated with Ford PWM IAC connector for the OEM PWM - idle air control motor commonly found on late 80's and early 90's engines. Compatible with Holley EFI Dominator, HP, and Terminator X and X Max ECU's.","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":51711884230824,"sku":"GVMR_558-128","price":584.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/HLY558-128.jpg?v=1741292847"},{"product_id":"sub-harness-mopar-gen-3-hemi-vvt-srv","title":"Holley EFI GEN III HEMI VVT and SRV Harness","description":"2009+ Gen III Hemi engines rolled off the showroom floor with Variable Valve Timing (VVT). Now, both Terminator X and Terminator X Max ECUs will allow you to control and tune the VVT with the use of the plug and play VVT harness. The fun does not stop there though! If you are using a stock intake manifold that came from the factory with the Short Runner Valve, we also have a new plug and play sub harness that will allow you to utilize the SRV actuator and capitalize on its low RPM torque benefits.","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":51711885672616,"sku":"GVMR_558-132","price":173.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/HLY558-132.jpg?v=1741292856"},{"product_id":"efi-injector-harness-universal-unterminated","title":"Universal Unterminated Injector Harness","description":"Universal Unterminated Injector Harness for HP EFI \u0026amp; Dominator EFI(Bosch EV1 style).","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":51711891800232,"sku":"GVMR_558-204","price":119.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/HLY558-204.jpg?v=1741292904"},{"product_id":"injector-harness-ford-uscar-ev6-style-injector","title":"Ford V8 Injector Harness","description":"Ford V8 Injector Harness for Ford USCAR \/ EV6 style Fuel Injectors (Evenly Spaced)","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":51711896486056,"sku":"GVMR_558-212","price":207.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/HLY558-212.jpg?v=1741292945"},{"product_id":"ignition-harness-w-magnetic-pickup","title":"Magnetic Pick-up Ignition Harness for HP EFI \u0026 Dominator EFI","description":"Shielded Unterminated  Magnetic Pick-Up harness for Holley EFI systems","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":51711900221608,"sku":"GVMR_558-303","price":91.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/HLY558-303.jpg?v=1741292974"},{"product_id":"universal-efi-ignition-harness-un-terminated","title":"Universal Unterminated Ignition Harness","description":"Universal Unterminated Ignition Harness for HP EFI \u0026amp; Dominator EFI","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":51711906906280,"sku":"GVMR_558-306","price":219.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/HLY558-306.jpg?v=1741293025"},{"product_id":"efi-main-power-harness","title":"Main Power Harness","description":"This Harness is required with HP or Dominator ECUs.  Includes, 13' long, 10 AWG main power harness, Qty. (2) 3\/8\" ring terminals and shrink tube (not pictured) .  The harness is fuse protected and covered in braided split loom for additional abrasion protection .","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":51711911690408,"sku":"GVMR_558-308","price":110.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/HLY558-308.jpg?v=1741293065"},{"product_id":"j1a-b-input-output-connector","title":"Connector J1A\/B Input\/Outputs Auxiliary Harness","description":"This harness connects to the (8) pin Metri-Pack Input\/Output connector located in most Holley EFI main harnesses.","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":51711926698152,"sku":"GVMR_558-400","price":135.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/HLY558-400.jpg?v=1741293184"},{"product_id":"auxiliary-harness-j2a-connector","title":"Dominator EFI Auxiliary Harness","description":"Used when adding a second wide band oxygen sensor to a Dominator EFI installation.","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":51711929385128,"sku":"GVMR_558-401","price":242.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/HLY558-401.jpg?v=1741293205"},{"product_id":"j2b-auxiliary-harness-kit","title":"Dominator EFI Auxiliary Harness","description":"J2B Connector Four Additional Injector Driver Outputs Four Additional Coil Driver Outputs 23 User Programmable Outputs","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":51711931842728,"sku":"GVMR_558-402","price":186.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/HLY558-402.jpg?v=1741293225"},{"product_id":"trans-wire-harness-gm-4l60-pre-2009-4l80","title":"Holley EFI Transmission Control Harness - For 1996-2008 GM 4L60E and 4L80E","description":"Expanding our transmission control options for our EFI systems, this harness provides plug and play for Pre-2009 GM 4L60 and 4L80 transmissions using a Dominator. This also contains a J4 connector to operate GM electronic transmissions.","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":51711937872040,"sku":"GVMR_558-405","price":318.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/HLY558-405.jpg?v=1741293275"},{"product_id":"drive-by-wire-harness-gm","title":"Holley EFI GM Drive-By-Wire Harness","description":"Dominator EFI GM Drive-By-Wire Harness","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":51711941869736,"sku":"GVMR_558-406","price":259.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/HLY558-406.jpg?v=1741293294"},{"product_id":"map-sensor-adapter-ls1-ls2-to-ls3","title":"Holley EFI LS Main Harness to LS3-style MAP Sensor Adapter","description":"Holley EFI LS main harnesses have a MAP sensor connecter designed for use with an LS1\/2 style MAP sensor.  The 558-416 is an adapter harness that can be used to adapt any LS harness that uses an LS1\/2 MAP sensor connection to an LS3 MAP.  Also great for use with LS Hi-Ram intakes that require an LS3 MAP sensor.","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":51711951110312,"sku":"GVMR_558-416","price":42.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/HLY558-416.jpg?v=1741293361"},{"product_id":"dbw-throttle-harness-ford-5-0l-coyote-11-17","title":"Ford Coyote Drive-By-Wire Harness","description":"Drive-By-Wire harness for 2011-2017 Ford Coyote (5.0L) engines","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":51711955828904,"sku":"GVMR_558-422","price":225.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/HLY558-422.jpg?v=1741293401"},{"product_id":"can-extension-harness-8ft-length","title":"CAN Extension Harness - 8'","description":"Can Extension Harness (for Racepak and other external CAN drives)","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":51711958253736,"sku":"GVMR_558-425","price":70.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/HLY558-425.jpg?v=1741293421"},{"product_id":"can-extension-harness-12ft","title":"CAN EXTENSION HARNESS, 12FT","description":"CAN Extension Harness (for Racepak and other external CAN drives)","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":51711961039016,"sku":"GVMR_558-426","price":84.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/HLY558-426.jpg?v=1741293440"},{"product_id":"can-extension-harness-9in-length","title":"CAN Extension Harness - 9''","description":"Can Extension Harness (for Racepak and other external CAN drives)","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":51711964905640,"sku":"GVMR_558-428","price":56.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/HLY558-428.jpg?v=1741293461"},{"product_id":"dominator-efi-dbw-harness-early-truck","title":"Holley EFI GM Drive-By-Wire Harness - Early Truck","description":"Terminator X Max and Dominator EFI GM DBW Harness-Early Truck. Compatible with GM part number 10379038.","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":51711967330472,"sku":"GVMR_558-429","price":285.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/HLY558-429.jpg?v=1741293481"},{"product_id":"can-adapter-new-device-to-2-pin-main-harness","title":"CAN Adapter\/Power Harness","description":"The Holley EFI Can Adapter\/Power Harness adapts two pin Holley main harness CAN connectors to new style 4 pin CAN devices.","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":51711968510120,"sku":"GVMR_558-430","price":44.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/HLY558-430.jpg?v=1741293491"},{"product_id":"crank-cam-ignition-harness","title":"Crank\/Cam Ign. Harness. 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Holley part #558-466 adapts harnesses with a (MPFI) Weatherpack 3-pin connector to the 3-pin Delphi GT connector, commonly found on aftermarket stainless steel MAP sensors, such as the Holley 5-BAR MAP sensor, part #554-108. Holley part # 558-467 adapts harnesses with a Delphi M\/P 150 3-pin connector, commonly found on LS engine harnesses, to the 3-pin Delphi GT connector","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":51711998099624,"sku":"GVMR_558-466","price":49.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/HLY558-466.jpg?v=1741293717"},{"product_id":"wire-harness-ls-to-ss-map-adapter","title":"Delphi M\/P 150 to GT MAP Adapter Harness","description":"These two new MAP sensor adapters from Holley EFI allow you to quickly add a stainless steel MAP sensor to your existing installation. Holley part #558-466 adapts harnesses with a (MPFI) Weatherpack 3-pin connector to the 3-pin Delphi GT connector, commonly found on aftermarket stainless steel MAP sensors, such as the Holley 5-BAR MAP sensor, part #554-108. Holley part # 558-467 adapts harnesses with a Delphi M\/P 150 3-pin connector, commonly found on LS engine harnesses, to the 3-pin Delphi GT connector","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":51712000557224,"sku":"GVMR_558-467","price":19.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/HLY558-467.jpg?v=1741293738"},{"product_id":"7-pin-main-harness-sniper-tbi","title":"7-Pin Main Harness - Sniper TBI","description":"EFI Wiring Harness - Main Battery Harness - Fuse \/ Fuel Pump Relays - Kit","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":51712007045288,"sku":"GVMR_558-490","price":157.45,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/HLY558-490.jpg?v=1741293787"},{"product_id":"10-pin-harness-sniper-tbi","title":"10-Pin Harness - Sniper TBI","description":"EFI Wiring Harness - Input \/ Output Harness - Holley Sniper EFI - Each","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":51712009470120,"sku":"GVMR_558-491","price":61.88,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/HLY558-491.jpg?v=1741293808"},{"product_id":"main-harness-99-04-ford-mod-motor-w-smart-coil","title":"Ford Modular 2V and 4V Main Harness for use with Holley Smart Coils","description":"Main Harness for 99-04 2 \u0026amp; 4 Valve Ford Modular (4.6 \u0026amp; 5.4L) Engines for use with Holley Smart Coils","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":52346368098472,"sku":"GVMR_558-113","price":696.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/HLY558-113.jpg?v=1745804314"},{"product_id":"main-wiring-harness-ls2-ls3","title":"LS2\/3\/7+ (58x\/4x) Engine Main Harness","description":"This harness has been designed to interface with 58x crank and 4x cam sensors. These engines are commonly found in 2006+ Year Model vehicles with LS variants such as the: LS2,LS3,LS7,L76,L92, and L98.","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":52347237728424,"sku":"GVMR_558-103","price":675.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/HLY558-103.jpg?v=1745810437"},{"product_id":"main-harness-univesal-un-terminated","title":"Unterminated Universal Main Harness","description":"Unterminated Universal Main Harness for HP EFI \u0026amp; Dominator EFI","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":52347244118184,"sku":"GVMR_558-105","price":571.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/HLY558-105.jpg?v=1745810485"},{"product_id":"main-harness-universal-mpfi","title":"Universal MPFI Main Harness","description":"Universal MPFI Main Harness for HP EFI \u0026amp; Dominator EFI","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":52347248705704,"sku":"GVMR_558-104","price":571.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/HLY558-104.jpg?v=1745810513"},{"product_id":"main-wiring-harness-ls1-ls6","title":"LS1\/6 (24x\/1x) Engine Main Harness","description":"This harness is designed for LS1\/6 Engines, from 1997-2004. This harness interfaces with 24x Crank and 1x Cam sensors.","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":52347251458216,"sku":"GVMR_558-102","price":675.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/HLY558-102.jpg?v=1745810535"},{"product_id":"73-87-gm-truck-a-c-harn-ess","title":"Air Conditioning Wiring Harness","description":"Air Conditioning Wiring Harness; Replaces Factory Harness; For Use w\/Chassis Harness PN[20205];","brand":"Painless Wiring","offers":[{"title":"Default Title","offer_id":52359136837800,"sku":"DHDT_30902","price":105.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/PWI30902.jpg?v=1745904688"},{"product_id":"99-vortec-engine-fi-wiring-harness-extra-l","title":"Fuel Injection Wiring Harness; Mechanical Throttle Only; Extra Length;","description":"Designed for 1999-2006 4.8L, 5.3L, 6.0L mechanical throttle body engines using LS1\/LS6 PCM and 4L60E, 4L65E, 4L70E, 4L80E, 4L85E or manual trans. 2003-2006 Engines require mechanical throttle body. 2003-2006 engines which were originally flex fuel will also require Delphi Multec 2 (factory truck style) injectors. Includes 10 circuit weatherproof fuse block and GM color coded wires with labels. Extended length harness allows eight feet from the back of the intake manifold to where the fuse block and ECM mount. Perfect when mounting these components under the seat or in the center console. Does not support Flex Fuel USCAR Injectors. Fuse block protects following circuits: Air Pump \u0026amp; Air Pump Solenoid, Canister Purge, Canister Vent, Transmission, \u0026amp; Park Neutral Position Switch, Driver Side Injectors and Coils, Dual 40 amp Ignition Relays, Fuel Pump, Heated O2 Sensors, Mass Airflow Sensor, \u0026amp; Brake Switch, Pass Side Injectors and Coils, ECM B+ \u0026amp; DLC B+, ECM IGN and Malfunction Indicator Lamp. Includes connections for: A\/C Request, Air Pump, Air Pump Relay, Air Pump Solenoid, Alternator, Brake Switch, Cam Position Sensor, Canister Purge, Canister Vent, Crank Position Sensor, Data Link Connector, Driver\/Pass Front O2 Sensors, EGR Valve, Engine Coolant Temperature, Fan #1 Relay Ground ECM Activation, Fan #2 Relay Ground ECM Activation, Fuel Pump, Fuel Pump Relay, Fuel Pump Test, Grounds, Idle Air Control, Ignition Coils, Ignition Switch Signal, Injectors, Input Speed Sensor, Knock Sensors, Malfunction Indicator Lamp, MAP Sensor, Mass Airflow Sensor \u0026amp; Intake Air Temperature Sensor, Output Speed Sensor, Park\/Neutral Switch, ECM, Reverse Lights, Starter, Starter Relay, Tachometer, Throttle Position Sensor, Transmission. VSS Output for Speedometer. PLEASE NOTE: This harness is standalone and is not intended to replace the OEM engine wiring. Standalone harnesses are intended to run the designated engine \u0026amp; transmission only, generally when swapped into another vehicle.","brand":"Painless Wiring","offers":[{"title":"Default Title","offer_id":52359177273512,"sku":"DHDT_60218","price":659.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/PWI60218.jpg?v=1745905028"},{"product_id":"99-vortec-engine-fi-wiring-harness","title":"Fuel Injection Wiring Harness; Mechanical Throttle Only; Standard Length;","description":"This harness is designed for the 1999-2006 4.8L, 5.3L, 6.0L mechanical throttle body engines using an LS1 \/ LS6 PCM with a 4L60E, 4L65E, 4L70E, 4L80E, 4L85E,or manual transmission. 2003-2006 Engines will require a mechanical throttle body to be installed. 2003-2006 engines which were originally flex fuel will also require Delphi Multec 2 (factory truck style) injectors to be installed. Included with this harness is a 10 circuit weatherproof fuse block and GM color coded wires with labels for easy installation.  This extended length harness allows eight feet from the back of the intake manifold to where the fuse block and ECM mount. Perfect for those that plan to mount these components under the seat or in the center console. **Please note that this harness does not support Flex Fuel USCAR Injectors.** The Fuse Block Protects The Following Circuits: Air Pump \u0026amp; Air Pump Solenoid, Canister Purge, Canister Vent, Transmission, \u0026amp; Park Neutral Position Switch, Driver Side Injectors and Coils, Dual 40 amp Ignition Relays, Fuel Pump, Heated O2 Sensors, Mass Airflow Sensor, \u0026amp; Brake Switch, Pass Side Injectors and Coils, ECM B+ \u0026amp; DLC B+, ECM IGN and Malfunction Indicator Lamp.  This harness includes connections for the following components: A\/C Request, Air Pump, Air Pump Relay, Air Pump Solenoid, Alternator , Brake Switch, Cam Position Sensor, Canister Purge, Canister Vent, Crank Position Sensor, Data Link Connector , Driver\/Pass Front O2 Sensors, EGR Valve, Engine Coolant Temperature, Fan #1 Relay Ground ECM Activation, Fan #2 Relay Ground ECM Activation, Fuel Pump, Fuel Pump Relay, Fuel Pump Test , Grounds , Idle Air Control, Ignition Coils, Ignition Switch Signal, Injectors, Input Speed Sensor, Knock Sensors, Malfunction Indicator Lamp, MAP Sensor, Mass Airflow Sensor \u0026amp; Intake Air Temperature Sensor, Output Speed Sensor, Park\/Neutral Switch, ECM, Reverse Lights, Starter, Starter Relay, Tachometer, Throttle Position Sensor, Transmission. VSS Output for Speedometer.","brand":"Painless Wiring","offers":[{"title":"Default Title","offer_id":52359178387624,"sku":"DHDT_60217","price":624.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/PWI60217.jpg?v=1745905036"},{"product_id":"03-06-gm-4-8-5-3-6-0l-efi-harness","title":"Fuel Injection Wiring Harness","description":"Designed for use on 1999-2006 4.8L, 5.3L, 6.0L throttle by wire engines with 4L60E-4L85E or manual trans. 1999-2002 engines require a 2003-2006 TBW throttle body. Engine codes supported are LR4, LM7, LM4, LQ4 and LQ9. Will support flex fuel and non flex fuel engines. Flex fuel engines will require inline fuel composition sensor in order to run E85 fuel. Includes 10 circuit weatherproof fuse block \u0026amp; bracket and GM color coded wires with labels. Standard length harness allows four feet from the back of the intake manifold to where the fuse block and ECM mount. Perfect for mounting these components under the dash or in the glove box. Fuse block protects the following circuits: Brake and Cruise Switch, Dual 40 amp Ignition Relays, ECM (IGN), ECM B+, Fuel Injectors, Fuel Pump, Heated O2 Sensors, Ignition Coils, Mass Airflow and Fuel, Compensation Sensor, Throttle Actuator Control Module, Transmission and Park Neutral Position Switch, 20 Amp Cooling Fan Relay, 20 Amp Fuel Pump Relay. Includes connections for: A\/C Request, Accelerator Pedal Position Sensor, Alternator, Brake Switch, Cam Position Sensor, Cooling Fans, Crank Position Sensor, Cruise Control ,Data Link Connector, Driver\/Pass Front O2 Sensors, ECM, Engine Coolant Temperature, Fuel Compensation Sensor, Fuel Pump, Fuel Pump Test , Grounds, Ignition Coils, Ignition Switch Signal, Injectors - Gas \u0026amp; Flex Fuel Sub-Harness, Input Speed Sensor, Knock Sensors, Malfunction Indicator Lamp, MAP Sensor, Mass Airflow \/ Intake Air Temperature Sensor, Output Speed Sensor, Park\/Neutral Switch, Reverse Lights, Starter, Starter Relay Activation, Tachometer, Throttle Actuator Control Module, Throttle Actuator Control Module to Accelerator Pedal Pigtail, Throttle Body, Transmission, VSS Output for Speedometer. PLEASE NOTE: This harness is standalone and is not intended to replace the OEM engine wiring. Standalone harnesses are intended to run the designated engine \u0026amp; transmission only, generally when swapped into another vehicle.","brand":"Painless Wiring","offers":[{"title":"Default Title","offer_id":52359222853800,"sku":"DHDT_60221","price":735.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/PWI60221.jpg?v=1745905390"},{"product_id":"86-95-ford-5-0l-mustang-efi-wiring-harness","title":"Fuel Injection Wiring Harness; Standard Length;","description":"For maximum power with exceptional drivability, transplant the power of fuel injection into your vehicle with Painless Performance fuel injection harnesses. All kits include straightforward instructions and TXL high-temperature, color-coded, and labeled wire for ease of installation. All fuel injection harnesses are 100 percent quality-tested on OmniScanners to ensure the viability of the circuits. Harnesses for both GM and Ford applications are available and they use genuine original equipment connectors for trouble-free installation and operation. This harness is standalone and is not intended to replace the OEM engine wiring.  Standalone harnesses are intended to run the designated engine \u0026amp; transmission only, generally when swapped into another vehicle.","brand":"Painless Wiring","offers":[{"title":"Default Title","offer_id":52359254999208,"sku":"DHDT_60510","price":534.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/PWI60510.jpg?v=1745905655"},{"product_id":"lt-1-wiring-harness-92-97-5-7l","title":"Fuel Injection Wiring Harness; Extra Length; Grommet Firewall Pass Through;","description":"Painless maintains strict quality requirements for all raw material suppliers to ensure the highest quality finished product. Only American venders are approved. Quality is the key ingredient in every Painless product. Rigorous QC inspection follow all products every step of the way in production to verify the integrity of every crimp, every splice, every application of terminals and connections. When you open any Painless box, you will know without question that you have in your hands the highest quality product available anywhere. This harness is standalone and is not intended to replace the OEM engine wiring.  Standalone harnesses are intended to run the designated engine \u0026amp; transmission only, generally when swapped into another vehicle.","brand":"Painless Wiring","offers":[{"title":"Default Title","offer_id":52359257915560,"sku":"DHDT_60505","price":734.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/PWI60505.jpg?v=1745905677"},{"product_id":"lt-1-wiring-harness","title":"Fuel Injection Wiring Harness; Standard Length; Grommet Firewall Pass Through;","description":"Painless maintains strict quality requirements for all raw material suppliers to ensure the highest quality finished product. Only American venders are approved. Quality is the key ingredient in every Painless product. Rigorous QC inspection follow all products every step of the way in production to verify the integrity of every crimp, every splice, every application of terminals and connections. When you open any Painless box, you will know without question that you have in your hands the highest quality product available anywhere. This harness is standalone and is not intended to replace the OEM engine wiring.  Standalone harnesses are intended to run the designated engine \u0026amp; transmission only, generally when swapped into another vehicle.","brand":"Painless Wiring","offers":[{"title":"Default Title","offer_id":52359260307624,"sku":"DHDT_60502","price":669.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/PWI60502.jpg?v=1745905700"},{"product_id":"98-02-gm-ls1-fuel-inj-wiring-harness","title":"Fuel Injection Wiring Harness; Mechanical Throttle; Standard Length;","description":"Designed for 1998-2002 LS1 mechanical throttle body engines with 1999+ LS1\/LS6 ECM with a 4L60E\/4L65E automatic or T56 manual trans. Will also work on 1997-2004 Throttle By Wire (TBW) LS1\/LS6 engines which has been changed to mechanical throttle body or any 1999-2006 (4.8, 5.3, \u0026amp; 6.2) Vortec truck engine changed to a factory of aftermarket LS1 intake manifold, mechanical throttle body, and injectors. Harnesses do not include any emissions related connections but are available separate. Includes 8 circuit modular fuse block and GM color coded wires with labels. Standard length harness allows four feet from the back of the intake manifold to where the fuse block and ECM mount. Perfect for mounting these components under the dash or in the glove box. Fuse block protects the following circuits: DLC B+, Driver Side Injectors and Coils, Dual 40 amp Ignition Relays, Fuel Pump, Heated O2 Sensors, Mass Airflow Sensor, \u0026amp; Brake Switch, Pass Side Injectors and Coils, ECM and Malfunction Indicator Lamp, ECM B+, Transmission. Includes connections for: Alternator, Brake Switch, Cam Position Sensor, Crank Position Sensor, Data Link Connector, Driver\/Pass Front O2 Sensors, Engine Coolant Temperature, Fan #1 Relay Ground ECM Activation, Fan #2 Relay Ground ECM Activation, Fuel Pump, Fuel Pump Relay, Fuel Pump Test, Gear Indicator Switch, Grounds, Idle Air Control, Ignition Coils, Ignition Switch Signal, Injectors, Intake Air Temperature Sensor, Knock Sensors, Malfunction Indicator Lamp, MAP Sensor, Mass Airflow Sensor, ECM, Reverse Lockout Solenoid, Skip Shift Light, Skip Shift Solenoid, Starter, Tachometer, Throttle Position Sensor, Transmission, VATS, Vehicle Speed Sensor. VSS Output for Speedometer. PLEASE NOTE: This harness is standalone and is not intended to replace the OEM engine wiring. Standalone harnesses are intended to run the designated engine \u0026amp; transmission only, generally when swapped into another vehicle.","brand":"Painless Wiring","offers":[{"title":"Default Title","offer_id":52359265812648,"sku":"DHDT_60508","price":569.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/PWI60508.jpg?v=1745905742"}],"url":"https:\/\/www.truspeedperformance.com\/collections\/engine-wiring-harnesses.oembed?page=2","provider":"TruSpeed Performance LLC","version":"1.0","type":"link"}