Engine Wiring Harnesses
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A/C Wiring Harness - OEM Replacement - GM Truck 1973-87 - Kit
PAINLESS WIRING
$99.99A/C Wiring Harness - OEM Replacement - GM Truck 1973-87 - KitPWI30902$99.99 -
Alternator Harness Adapter - Powermaster CS130D to CS130 - Each
POWERMASTER
MSRP: $45.00$34.99Alternator Harness Adapter - Powermaster CS130D to CS130 - EachPWM160MSRP: $45.00$34.99 -
Alternator Wire Harness - 8 ft Wire - Fuse / Terminals - Ford 3G Alternator - Kit
PAINLESS WIRING
$78.99Alternator Wire Harness - 8 ft Wire - Fuse / Terminals - Ford 3G Alternator - KitPWI30831$78.99 -
Cam Sensor Harness - LS2 - GM LS-Series - Each
CHEVROLET PERFORMANCE
MSRP: $41.58$30.99Cam Sensor Harness - LS2 - GM LS-Series - EachGMP12627501MSRP: $41.58$30.99 -
CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each
HOLLEY
MSRP: $68.28$61.45CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - EachHLY558-426MSRP: $68.28$61.45 -
CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each
HOLLEY
MSRP: $56.89$51.20CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - EachHLY558-425MSRP: $56.89$51.20 -
CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each
HOLLEY
MSRP: $45.50$40.95CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - EachHLY558-428MSRP: $45.50$40.95 -
Charging System Harness - Fuse Block / Maxi Fuse / Wiring - Carbureted Engines - Kit
PAINLESS WIRING
$179.99Charging System Harness - Fuse Block / Maxi Fuse / Wiring - Carbureted Engines - KitPWI30830$179.99 -
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: $36.26$32.63Data Transfer Cable Adapter - 2 Pin Harness to CAN - EachHLY558-430MSRP: $36.26$32.63 -
EFI Wiring Harness - 5.0 L - Small Block Ford 1986-95 - Kit
PAINLESS WIRING
$514.99EFI Wiring Harness - 5.0 L - Small Block Ford 1986-95 - KitPWI60510$514.99 -
EFI Wiring Harness - Camshaft Ignition Harness - Holley HP / Dominator EFI - Universal - Kit
HOLLEY
MSRP: $91.06$81.95EFI Wiring Harness - Camshaft Ignition Harness - Holley HP / Dominator EFI - Universal - KitHLY558-431MSRP: $91.06$81.95 -
EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each
HOLLEY
MSRP: $246.00$220.95EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - EachHLY558-429MSRP: $246.00$220.95 -
EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each
HOLLEY
MSRP: $252.00$225.95EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - EachHLY558-422MSRP: $252.00$225.95 -
EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each
HOLLEY
MSRP: $172.00$153.95EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - EachHLY558-212MSRP: $172.00$153.95 -
EFI Wiring Harness - Extra Length - GM LS-Series 2003-06 - Kit
PAINLESS WIRING
$715.99EFI Wiring Harness - Extra Length - GM LS-Series 2003-06 - KitPWI60221$715.99 -
EFI Wiring Harness - Extra Length - GM LT-Series 1992-97 - Kit
PAINLESS WIRING
$724.99EFI Wiring Harness - Extra Length - GM LT-Series 1992-97 - KitPWI60505$724.99 -
EFI Wiring Harness - GM LS-Series 1998-2002 - Kit
PAINLESS WIRING
$549.99EFI Wiring Harness - GM LS-Series 1998-2002 - KitPWI60508$549.99 -
EFI Wiring Harness - GM LS-Series 1999-2006 - Kit
PAINLESS WIRING
$579.99EFI Wiring Harness - GM LS-Series 1999-2006 - KitPWI60217$579.99 -
EFI Wiring Harness - GM LT-Series 1992-97 - Kit
PAINLESS WIRING
$649.99EFI Wiring Harness - GM LT-Series 1992-97 - KitPWI60502$649.99 -
EFI Wiring Harness - GM TBI Injection 1986-93 - GM V6 / V8 - Kit
PAINLESS WIRING
$414.99EFI Wiring Harness - GM TBI Injection 1986-93 - GM V6 / V8 - KitPWI60101$414.99 -
EFI Wiring Harness - GM TPI Injection 1985-89 - Small Block Chevy - Kit
PAINLESS WIRING
$494.99EFI Wiring Harness - GM TPI Injection 1985-89 - Small Block Chevy - KitPWI60102$494.99 -
EFI Wiring Harness - GM TPI Injection 1990-92 - Small Block Chevy - Kit
PAINLESS WIRING
$499.90EFI Wiring Harness - GM TPI Injection 1990-92 - Small Block Chevy - KitPWI60103$499.90 -
EFI Wiring Harness - Input / Output Harness - Holley Sniper EFI - Each
HOLLEY
MSRP: $62.58$56.32EFI Wiring Harness - Input / Output Harness - Holley Sniper EFI - EachHLY558-491MSRP: $62.58$56.32 -
EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each
HOLLEY
MSRP: $110.00$98.35EFI Wiring Harness - J1A/B - Holley Dominator EFI - EachHLY558-400MSRP: $110.00$98.35 -
EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit
HOLLEY
MSRP: $228.00$204.95EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - KitHLY558-401MSRP: $228.00$204.95 -
EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit
HOLLEY
MSRP: $160.00$143.95EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - KitHLY558-402MSRP: $160.00$143.95 -
EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each
HOLLEY
MSRP: $91.06$81.95EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - EachHLY558-303MSRP: $91.06$81.95 -
EFI Wiring Harness - Main Battery Harness - Fuel Pump Relay - Sniper 2 EFI - Power Distribution Module - Each
HOLLEY
MSRP: $212.00$189.95EFI Wiring Harness - Main Battery Harness - Fuel Pump Relay - Sniper 2 EFI - Power Distribution Module - EachHLY558-191MSRP: $212.00$189.95 -
EFI Wiring Harness - Main Battery Harness - Fuse / Fuel Pump Relays - Kit
HOLLEY
MSRP: $160.00$143.95EFI Wiring Harness - Main Battery Harness - Fuse / Fuel Pump Relays - KitHLY558-490MSRP: $160.00$143.95 -
EFI Wiring Harness - Main Battery Harness - Sniper 2 EFI - Power Distribution Module - Each
HOLLEY
MSRP: $145.00$129.95EFI Wiring Harness - Main Battery Harness - Sniper 2 EFI - Power Distribution Module - EachHLY558-190MSRP: $145.00$129.95 -
EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each
HOLLEY
MSRP: $627.00$563.95EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - EachHLY558-102MSRP: $627.00$563.95 -
EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each
HOLLEY
MSRP: $627.00$563.95EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - EachHLY558-103MSRP: $627.00$563.95 -
EFI Wiring Harness - Main Power - Holley Dominator EFI - Each
HOLLEY
MSRP: $97.89$88.10EFI Wiring Harness - Main Power - Holley Dominator EFI - EachHLY558-308MSRP: $97.89$88.10 -
EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each
HOLLEY
MSRP: $525.00$471.95EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - EachHLY558-104MSRP: $525.00$471.95 -
EFI Wiring Harness - Sniper 2 EFI - Input / Output Harness - Holley Sniper 2 EFI - Each
HOLLEY
MSRP: $44.39$39.95EFI Wiring Harness - Sniper 2 EFI - Input / Output Harness - Holley Sniper 2 EFI - EachHLY558-497MSRP: $44.39$39.95 -
EFI Wiring Harness - Terminated Main Harness - Ford Modular 1999-2004 - Kit
HOLLEY
MSRP: $707.00$635.95EFI Wiring Harness - Terminated Main Harness - Ford Modular 1999-2004 - KitHLY558-108MSRP: $707.00$635.95 -
EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each
HOLLEY
MSRP: $149.00$133.95EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - EachHLY558-132MSRP: $149.00$133.95 -
EFI Wiring Harness - TPI Stealth Ram - Main Harness - Avenger EFI / HP EFI / Dominator EFI - Various GM Applications - Each
HOLLEY
MSRP: $547.00$491.95EFI Wiring Harness - TPI Stealth Ram - Main Harness - Avenger EFI / HP EFI / Dominator EFI - Various GM Applications - EachHLY558-101MSRP: $547.00$491.95 -
EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each
HOLLEY
MSRP: $302.00$270.95EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - EachHLY558-405MSRP: $302.00$270.95 -
EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit
HOLLEY
MSRP: $525.00$471.95EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - KitHLY558-105MSRP: $525.00$471.95 -
Engine Control Harness - A-Harness - 10 ft - FT450 / FT550 ECU - Each
FUELTECH USA
$99.00Engine Control Harness - A-Harness - 10 ft - FT450 / FT550 ECU - EachFTH2001005569$99.00 -
Engine Control Harness - A-Harness - 20 ft - FT450 / FT550 ECU - Each
FUELTECH USA
$149.00Engine Control Harness - A-Harness - 20 ft - FT450 / FT550 ECU - EachFTH2001005570$149.00 -
Engine Control Harness - B-Harness - 10 ft - FT550 ECU - Each
FUELTECH USA
$99.00Engine Control Harness - B-Harness - 10 ft - FT550 ECU - EachFTH2001005571$99.00 -
Engine Control Harness - B-Harness - 20 ft - FT550 ECU - Each
FUELTECH USA
$129.00Engine Control Harness - B-Harness - 20 ft - FT550 ECU - EachFTH2001005572$129.00 -
Engine Control Harness - Blank Harness - 10 ft - FT600 ECU - Each
FUELTECH USA
$279.00Engine Control Harness - Blank Harness - 10 ft - FT600 ECU - EachFTH2001004001$279.00 -
Engine Control Harness - Blank Harness - 20 ft - FT600 ECU - Each
FUELTECH USA
$339.00Engine Control Harness - Blank Harness - 20 ft - FT600 ECU - EachFTH2001004003$339.00 -
Engine Control Harness - Complete Engine Harness - FT550 ECU to Ford V8 - Each
FUELTECH USA
$1,149.00Engine Control Harness - Complete Engine Harness - FT550 ECU to Ford V8 - EachFTH3026100192$1,149.00 -
Engine Control Harness - Complete Engine Harness - FT550 ECU to GM / Chrysler V8 - Each
FUELTECH USA
$999.00Engine Control Harness - Complete Engine Harness - FT550 ECU to GM / Chrysler V8 - EachFTH3026100191$999.00 -
Engine Control Harness - Complete Engine Harness - FT600 ECU to Ford V8 - Each
FUELTECH USA
$1,849.00Engine Control Harness - Complete Engine Harness - FT600 ECU to Ford V8 - EachFTH3026100077$1,849.00 -
Engine Control Harness - Complete Engine Harness - FT600 ECU to GM / Chrysler V8 - Each
FUELTECH USA
$1,699.00Engine Control Harness - Complete Engine Harness - FT600 ECU to GM / Chrysler V8 - EachFTH3026100076$1,699.00 -
Engine Control Harness - Terminated - FT450 / FT550 Datalogging - Each
FUELTECH USA
$849.00Engine Control Harness - Terminated - FT450 / FT550 Datalogging - EachFTH2002007356$849.00 -
Engine Harness - Terminated - FuelTech FT550 to GM LS-Series Engine - Each
FUELTECH USA
$899.00Engine Harness - Terminated - FuelTech FT550 to GM LS-Series Engine - EachFTH2002007265$899.00 -
Engine Wiring Harness - Drive By Cable - Terminated - Mopar Gen III Hemi - Kit
HOLLEY
MSRP: $729.00$655.95Engine Wiring Harness - Drive By Cable - Terminated - Mopar Gen III Hemi - KitHLY558-116MSRP: $729.00$655.95 -
Engine Wiring Harness - Elite - Main Harness - Drive-By-Cable - Terminated - GM LS-Series - Kit
HALTECH
$839.00Engine Wiring Harness - Elite - Main Harness - Drive-By-Cable - Terminated - GM LS-Series - KitHTHHT-141365$839.00 -
Engine Wiring Harness - Elite - Main Harness - Drive-By-Wire - Terminated - GM LS-Series - Kit
HALTECH
$839.00Engine Wiring Harness - Elite - Main Harness - Drive-By-Wire - Terminated - GM LS-Series - KitHTHHT-141367$839.00 -
Engine Wiring Harness - Elite - Main Harness - Terminated - GM V8 / Ford V8 / Mopar Early Hemi - Kit
HALTECH
$909.00Engine Wiring Harness - Elite - Main Harness - Terminated - GM V8 / Ford V8 / Mopar Early Hemi - KitHTHHT-141376$909.00 -
Engine Wiring Harness - Elite - Retrofit - Main Harness - Drive-By-Wire - Terminated - GM LS-Series - Kit
HALTECH
$839.00Engine Wiring Harness - Elite - Retrofit - Main Harness - Drive-By-Wire - Terminated - GM LS-Series - KitHTHHT-141362$839.00 -
Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each
HOLLEY
MSRP: $775.00$696.95Engine Wiring Harness - Holley Smart Coils - Ford Modular - EachHLY558-113MSRP: $775.00$696.95 -
Engine Wiring Harness - Plug-and-Play - Small Block Ford - Each
HOLLEY
MSRP: $559.00$502.95Engine Wiring Harness - Plug-and-Play - Small Block Ford - EachHLY558-128MSRP: $559.00$502.95 -
Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit
HOLLEY
MSRP: $206.00$184.95Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - KitHLY558-204MSRP: $206.00$184.95 -
Ignition Wiring Harness - SmartSpark - Remote Mount - Daytona Sensor SmartSpark Ignition System - LS1 / 6 - GM LS-Series - Each
DAYTONA SENSORS
$238.95Ignition Wiring Harness - SmartSpark - Remote Mount - Daytona Sensor SmartSpark Ignition System - LS1 / 6 - GM LS-Series - EachDAY119002$238.95 -
Ignition Wiring Harness - SmartSpark - Remote Mount - Daytona Sensor SmartSpark Ignition System - LS2 / 7 - GM LS-Series - Each
DAYTONA SENSORS
$248.95Ignition Wiring Harness - SmartSpark - Remote Mount - Daytona Sensor SmartSpark Ignition System - LS2 / 7 - GM LS-Series - EachDAY119005$248.95 -
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: $56.95$49.75Wire Extension - Mass Air Meter - Ford Mustang 2005-16 - EachJMSJ0514EXTMSRP: $56.95$49.75 -
Wiring Harness - Bench Top Test - Holley EFI - Each
HOLLEY
MSRP: $212.00$189.95Wiring Harness - Bench Top Test - Holley EFI - EachHLY558-127MSRP: $212.00$189.95 -
Wiring Harness - Elite - ECU Basic Harness - 8 ft Long - Universal - Kit
HALTECH
$349.00Wiring Harness - Elite - ECU Basic Harness - 8 ft Long - Universal - KitHTHHT-141302$349.00 -
Wiring Harness - Elite - ECU Premium Harness - 8 ft Long - Universal - Kit
HALTECH
$489.00Wiring Harness - Elite - ECU Premium Harness - 8 ft Long - Universal - KitHTHHT-141304$489.00 -
Wiring Harness Adapter - Delphi M/P 3 Pin to Delphi GT 3 Pin - GM LS-Series - Each
HOLLEY
MSRP: $38.83$34.99Wiring Harness Adapter - Delphi M/P 3 Pin to Delphi GT 3 Pin - GM LS-Series - EachHLY558-467MSRP: $38.83$34.99 -
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: $39.80$35.82Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - EachHLY558-416MSRP: $39.80$35.82 -
Wiring Harness Adapter - MPDI Map Sensor to Delphi GT Sensor - Each
HOLLEY
MSRP: $39.80$35.82Wiring Harness Adapter - MPDI Map Sensor to Delphi GT Sensor - EachHLY558-466MSRP: $39.80$35.82 -
Wiring Harness Adapter - Sniper EFI - Sniper EFI 1 to Sniper EFI 2 - Each
HOLLEY
MSRP: $55.50$49.95Wiring Harness Adapter - Sniper EFI - Sniper EFI 1 to Sniper EFI 2 - EachHLY558-489MSRP: $55.50$49.95 -
Wiring Harness Adapter - Terminator X - Wideband - Each
HOLLEY
MSRP: $56.89$51.20Wiring Harness Adapter - Terminator X - Wideband - EachHLY558-463MSRP: $56.89$51.20 -
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