Engine Wiring Harnesses
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A/C Wiring Harness - OEM Replacement - GM Truck 1973-87 - Kit
PAINLESS WIRING
$103.99A/C Wiring Harness - OEM Replacement - GM Truck 1973-87 - KitPWI30902$103.99 -
Alternator Harness Adapter - Powermaster CS130D to CS130 - Each
POWERMASTER
MSRP: $45.00$37.99Alternator Harness Adapter - Powermaster CS130D to CS130 - EachPWM160MSRP: $45.00$37.99 -
Alternator Wire Harness - 8 ft Wire - Fuse / Terminals - Ford 3G Alternator - Kit
PAINLESS WIRING
$79.99Alternator Wire Harness - 8 ft Wire - Fuse / Terminals - Ford 3G Alternator - KitPWI30831$79.99 -
Cam Sensor Harness - LS2 - GM LS-Series - Each
CHEVROLET PERFORMANCE
MSRP: $42.70$38.99Cam Sensor Harness - LS2 - GM LS-Series - EachGMP12627501MSRP: $42.70$38.99 -
CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each
HOLLEY
MSRP: $81.95$72.51CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - EachHLY558-426MSRP: $81.95$72.51 -
CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each
HOLLEY
MSRP: $67.95$60.41CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - EachHLY558-425MSRP: $67.95$60.41 -
CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each
HOLLEY
MSRP: $54.36$48.32CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - EachHLY558-428MSRP: $54.36$48.32 -
Charging System Harness - Fuse Block / Maxi Fuse / Wiring - Carbureted Engines - Kit
PAINLESS WIRING
$184.99Charging System Harness - Fuse Block / Maxi Fuse / Wiring - Carbureted Engines - KitPWI30830$184.99 -
Connector Kit - Early TPS Sensor - Connectors - Terminals - Each
FAST ELECTRONICS
$19.95Connector Kit - Early TPS Sensor - Connectors - Terminals - EachFST308030$19.95 -
Data Transfer Cable Adapter - 2 Pin Harness to CAN - Each
HOLLEY
MSRP: $43.31$38.50Data Transfer Cable Adapter - 2 Pin Harness to CAN - EachHLY558-430MSRP: $43.31$38.50 -
EFI Wiring Harness - 5.0 L - Small Block Ford 1986-95 - Kit
PAINLESS WIRING
$534.99EFI Wiring Harness - 5.0 L - Small Block Ford 1986-95 - KitPWI60510$534.99 -
EFI Wiring Harness - Camshaft Ignition Harness - Holley HP / Dominator EFI - Universal - Kit
HOLLEY
MSRP: $103.95$82.61EFI Wiring Harness - Camshaft Ignition Harness - Holley HP / Dominator EFI - Universal - KitHLY558-431MSRP: $103.95$82.61 -
EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each
HOLLEY
MSRP: $278.95$223.15EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - EachHLY558-429MSRP: $278.95$223.15 -
EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each
HOLLEY
MSRP: $194.95$155.65EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - EachHLY558-212MSRP: $194.95$155.65 -
EFI Wiring Harness - Extra Length - GM LS-Series 2003-06 - Kit
PAINLESS WIRING
$725.99EFI Wiring Harness - Extra Length - GM LS-Series 2003-06 - KitPWI60221$725.99 -
EFI Wiring Harness - Extra Length - GM LT-Series 1992-97 - Kit
PAINLESS WIRING
$744.99EFI Wiring Harness - Extra Length - GM LT-Series 1992-97 - KitPWI60505$744.99 -
EFI Wiring Harness - GM LS-Series 1998-2002 - Kit
PAINLESS WIRING
$569.99EFI Wiring Harness - GM LS-Series 1998-2002 - KitPWI60508$569.99 -
EFI Wiring Harness - GM LS-Series 1999-2006 - Kit
PAINLESS WIRING
$599.99EFI Wiring Harness - GM LS-Series 1999-2006 - KitPWI60217$599.99 -
EFI Wiring Harness - GM LT-Series 1992-97 - Kit
PAINLESS WIRING
$669.99EFI Wiring Harness - GM LT-Series 1992-97 - KitPWI60502$669.99 -
EFI Wiring Harness - GM TBI Injection 1986-93 - GM V6 / V8 - Kit
PAINLESS WIRING
$424.99EFI Wiring Harness - GM TBI Injection 1986-93 - GM V6 / V8 - KitPWI60101$424.99 -
EFI Wiring Harness - GM TPI Injection 1985-89 - Small Block Chevy - Kit
PAINLESS WIRING
$504.99EFI Wiring Harness - GM TPI Injection 1985-89 - Small Block Chevy - KitPWI60102$504.99 -
EFI Wiring Harness - Input / Output Harness - Holley Sniper EFI - Each
HOLLEY
MSRP: $66.95$53.24EFI Wiring Harness - Input / Output Harness - Holley Sniper EFI - EachHLY558-491MSRP: $66.95$53.24 -
EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each
HOLLEY
MSRP: $124.95$99.85EFI Wiring Harness - J1A/B - Holley Dominator EFI - EachHLY558-400MSRP: $124.95$99.85 -
EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit
HOLLEY
MSRP: $237.95$189.85EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - KitHLY558-401MSRP: $237.95$189.85 -
EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit
HOLLEY
MSRP: $182.95$145.75EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - KitHLY558-402MSRP: $182.95$145.75 -
EFI Wiring Harness - Main Battery Harness - Fuel Pump Relay - Sniper 2 EFI - Power Distribution Module - Each
HOLLEY
MSRP: $220.95$176.35EFI Wiring Harness - Main Battery Harness - Fuel Pump Relay - Sniper 2 EFI - Power Distribution Module - EachHLY558-191MSRP: $220.95$176.35 -
EFI Wiring Harness - Main Battery Harness - Fuse / Fuel Pump Relays - Kit
HOLLEY
MSRP: $170.95$136.75EFI Wiring Harness - Main Battery Harness - Fuse / Fuel Pump Relays - KitHLY558-490MSRP: $170.95$136.75 -
EFI Wiring Harness - Main Battery Harness - Sniper 2 EFI - Power Distribution Module - Each
HOLLEY
MSRP: $150.95$120.55EFI Wiring Harness - Main Battery Harness - Sniper 2 EFI - Power Distribution Module - EachHLY558-190MSRP: $150.95$120.55 -
EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each
HOLLEY
MSRP: $653.95$522.95EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - EachHLY558-102MSRP: $653.95$522.95 -
EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each
HOLLEY
MSRP: $653.95$522.95EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - EachHLY558-103MSRP: $653.95$522.95 -
EFI Wiring Harness - Main Power - Holley Dominator EFI - Each
HOLLEY
MSRP: $102.95$81.68EFI Wiring Harness - Main Power - Holley Dominator EFI - EachHLY558-308MSRP: $102.95$81.68 -
EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each
HOLLEY
MSRP: $546.95$437.95EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - EachHLY558-104MSRP: $546.95$437.95 -
EFI Wiring Harness - Sniper 2 EFI - Input / Output Harness - Holley Sniper 2 EFI - Each
HOLLEY
MSRP: $46.29$41.15EFI Wiring Harness - Sniper 2 EFI - Input / Output Harness - Holley Sniper 2 EFI - EachHLY558-497MSRP: $46.29$41.15 -
EFI Wiring Harness - Terminated Main Harness - Ford Coyote 2011-17 - Kit
HOLLEY
MSRP: $885.95$708.95EFI Wiring Harness - Terminated Main Harness - Ford Coyote 2011-17 - KitHLY558-110MSRP: $885.95$708.95 -
EFI Wiring Harness - Terminated Main Harness - Ford Modular 1999-2004 - Kit
HOLLEY
MSRP: $844.95$750.95EFI Wiring Harness - Terminated Main Harness - Ford Modular 1999-2004 - KitHLY558-108MSRP: $844.95$750.95 -
EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each
HOLLEY
MSRP: $169.95$135.85EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - EachHLY558-132MSRP: $169.95$135.85 -
EFI Wiring Harness - TPI Stealth Ram - Main Harness - Avenger EFI / HP EFI / Dominator EFI - Various GM Applications - Each
HOLLEY
MSRP: $653.95$580.95EFI Wiring Harness - TPI Stealth Ram - Main Harness - Avenger EFI / HP EFI / Dominator EFI - Various GM Applications - EachHLY558-101MSRP: $653.95$580.95 -
EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each
HOLLEY
MSRP: $313.95$251.05EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - EachHLY558-405MSRP: $313.95$251.05 -
EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit
HOLLEY
MSRP: $546.95$437.95EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - KitHLY558-105MSRP: $546.95$437.95 -
Engine Control Harness - A-Harness - 10 ft - FT450 / FT550 ECU - Each
FUELTECH USA
$119.00Engine Control Harness - A-Harness - 10 ft - FT450 / FT550 ECU - EachFTH2001005569$119.00 -
Engine Control Harness - A-Harness - 20 ft - FT450 / FT550 ECU - Each
FUELTECH USA
$169.00Engine Control Harness - A-Harness - 20 ft - FT450 / FT550 ECU - EachFTH2001005570$169.00 -
Engine Control Harness - B-Harness - 10 ft - FT550 ECU - Each
FUELTECH USA
$119.00Engine Control Harness - B-Harness - 10 ft - FT550 ECU - EachFTH2001005571$119.00 -
Engine Control Harness - B-Harness - 20 ft - FT550 ECU - Each
FUELTECH USA
$149.00Engine Control Harness - B-Harness - 20 ft - FT550 ECU - EachFTH2001005572$149.00 -
Engine Control Harness - Blank Harness - 10 ft - FT600 ECU - Each
FUELTECH USA
$299.00Engine Control Harness - Blank Harness - 10 ft - FT600 ECU - EachFTH2001004001$299.00 -
Engine Control Harness - Blank Harness - 20 ft - FT600 ECU - Each
FUELTECH USA
$379.00Engine Control Harness - Blank Harness - 20 ft - FT600 ECU - EachFTH2001004003$379.00 -
Engine Control Harness - Complete Engine Harness - FT550 ECU to Ford V8 - Each
FUELTECH USA
$1,249.00Engine Control Harness - Complete Engine Harness - FT550 ECU to Ford V8 - EachFTH3026100192$1,249.00 -
Engine Control Harness - Complete Engine Harness - FT550 ECU to GM / Chrysler V8 - Each
FUELTECH USA
$1,199.00Engine Control Harness - Complete Engine Harness - FT550 ECU to GM / Chrysler V8 - EachFTH3026100191$1,199.00 -
Engine Control Harness - Complete Engine Harness - FT550 ECU to GM / Mopar V8 - Each
FUELTECH USA
$1,199.00Engine Control Harness - Complete Engine Harness - FT550 ECU to GM / Mopar V8 - EachFTH3026109037$1,199.00 -
Engine Control Harness - Complete Engine Harness - FT600 ECU to Ford V8 - Each
FUELTECH USA
$1,999.00Engine Control Harness - Complete Engine Harness - FT600 ECU to Ford V8 - EachFTH3026100077$1,999.00 -
Engine Control Harness - Complete Engine Harness - PRO600 Gen III ECU to GM / Chrysler V8 - Each
FUELTECH USA
$1,799.00Engine Control Harness - Complete Engine Harness - PRO600 Gen III ECU to GM / Chrysler V8 - EachFTH3026109080$1,799.00 -
Engine Control Harness - Terminated - FT450 / FT550 Datalogging - Each
FUELTECH USA
$799.00Engine Control Harness - Terminated - FT450 / FT550 Datalogging - EachFTH2002007356$799.00 -
Engine Harness - Terminated - FuelTech FT550 to GM LS-Series Engine - Each
FUELTECH USA
$999.00Engine Harness - Terminated - FuelTech FT550 to GM LS-Series Engine - EachFTH2002007265$999.00 -
Engine Wiring Harness - Drive By Cable - Terminated - Mopar Gen III Hemi - Kit
HOLLEY
MSRP: $826.95$661.95Engine Wiring Harness - Drive By Cable - Terminated - Mopar Gen III Hemi - KitHLY558-116MSRP: $826.95$661.95 -
Engine Wiring Harness - Elite - Main Harness - Drive-By-Cable - Terminated - GM LS-Series - Kit
HALTECH
$670.00Engine Wiring Harness - Elite - Main Harness - Drive-By-Cable - Terminated - GM LS-Series - KitHTHHT-141365$670.00 -
Engine Wiring Harness - Elite - Main Harness - Drive-By-Wire - Terminated - GM LS-Series - Kit
HALTECH
$670.00Engine Wiring Harness - Elite - Main Harness - Drive-By-Wire - Terminated - GM LS-Series - KitHTHHT-141367$670.00 -
Engine Wiring Harness - Elite - Main Harness - Terminated - GM V8 / Ford V8 / Mopar Early Hemi - Kit
HALTECH
$940.00Engine Wiring Harness - Elite - Main Harness - Terminated - GM V8 / Ford V8 / Mopar Early Hemi - KitHTHHT-141376$940.00 -
Engine Wiring Harness - Elite - Retrofit - Main Harness - Drive-By-Wire - Terminated - GM LS-Series - Kit
HALTECH
$670.00Engine Wiring Harness - Elite - Retrofit - Main Harness - Drive-By-Wire - Terminated - GM LS-Series - KitHTHHT-141362$670.00 -
Engine Wiring Harness - Plug-and-Play - Small Block Ford - Each
HOLLEY
MSRP: $562.95$449.95Engine Wiring Harness - Plug-and-Play - Small Block Ford - EachHLY558-128MSRP: $562.95$449.95 -
Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit
HOLLEY
MSRP: $233.95$207.95Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - KitHLY558-204MSRP: $233.95$207.95 -
Ignition Wiring Harness - SmartSpark - Remote Mount - Daytona Sensor SmartSpark Ignition System - LS1 / 6 - GM LS-Series - Each
DAYTONA SENSORS
$231.99Ignition Wiring Harness - SmartSpark - Remote Mount - Daytona Sensor SmartSpark Ignition System - LS1 / 6 - GM LS-Series - EachDAY119002$231.99 -
Ignition Wiring Harness - SmartSpark - Remote Mount - Daytona Sensor SmartSpark Ignition System - LS2 / 7 - GM LS-Series - Each
DAYTONA SENSORS
$241.99Ignition Wiring Harness - SmartSpark - Remote Mount - Daytona Sensor SmartSpark Ignition System - LS2 / 7 - GM LS-Series - EachDAY119005$241.99 -
Water Pump Wiring Harness - Allstar In-Line Electric Water Pumps - Each
ALLSTAR PERFORMANCE
$23.99Water Pump Wiring Harness - Allstar In-Line Electric Water Pumps - EachALL31131$23.99 -
Wire Extension - Camshaft Sensor - 48 in Long - OEM Tooling - GM LS-Series - Each
ICT BILLET
$36.99Wire Extension - Camshaft Sensor - 48 in Long - OEM Tooling - GM LS-Series - EachICTWECAM30-48$36.99 -
Wire Extension - Mass Air Meter - Ford Mustang 2005-16 - Each
JMS
MSRP: $53.95$48.75Wire Extension - Mass Air Meter - Ford Mustang 2005-16 - EachJMSJ0514EXTMSRP: $53.95$48.75 -
Wiring Harness - Bench Top Test - Holley EFI - Each
HOLLEY
MSRP: $239.95$212.95Wiring Harness - Bench Top Test - Holley EFI - EachHLY558-127MSRP: $239.95$212.95 -
Wiring Harness - Elite - ECU Basic Harness - 8 ft Long - Universal - Kit
HALTECH
$360.00Wiring Harness - Elite - ECU Basic Harness - 8 ft Long - Universal - KitHTHHT-141302$360.00 -
Wiring Harness - Elite - ECU Premium Harness - 8 ft Long - Universal - Kit
HALTECH
$450.00Wiring Harness - Elite - ECU Premium Harness - 8 ft Long - Universal - KitHTHHT-141304$450.00 -
Wiring Harness Adapter - Delphi M/P 3 Pin to Delphi GT 3 Pin - GM LS-Series - Each
HOLLEY
MSRP: $40.50$36.00Wiring Harness Adapter - Delphi M/P 3 Pin to Delphi GT 3 Pin - GM LS-Series - EachHLY558-467MSRP: $40.50$36.00 -
Wiring Harness Adapter - Gen 3 to Gen 4 - GM LS-Series - Each
ICT BILLET
$36.99Wiring Harness Adapter - Gen 3 to Gen 4 - GM LS-Series - EachICTWAMAP31-6$36.99 -
Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each
HOLLEY
MSRP: $41.50$33.20Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - EachHLY558-416MSRP: $41.50$33.20 -
Wiring Harness Adapter - MPDI Map Sensor to Delphi GT Sensor - Each
HOLLEY
MSRP: $47.57$42.28Wiring Harness Adapter - MPDI Map Sensor to Delphi GT Sensor - EachHLY558-466MSRP: $47.57$42.28 -
Wiring Harness Adapter - Sniper EFI - Sniper EFI 1 to Sniper EFI 2 - Each
HOLLEY
MSRP: $57.95$46.31Wiring Harness Adapter - Sniper EFI - Sniper EFI 1 to Sniper EFI 2 - EachHLY558-489MSRP: $57.95$46.31 -
Wiring Harness Adapter - Terminator X - Wideband - Each
HOLLEY
MSRP: $64.95$51.62Wiring Harness Adapter - Terminator X - Wideband - EachHLY558-463MSRP: $64.95$51.62 -
Wiring Kit - Starter Solenoid - Terminals / Wire - Ford Style Solenoids - Kit
ALLSTAR PERFORMANCE
$24.99Wiring Kit - Starter Solenoid - Terminals / Wire - Ford Style Solenoids - KitALL76201$24.99