Front Fender Wire Harness Straps; 2-1/4" Long; Black Nylon
A hot exhaust manifold can cause serious damage to your electrical system. If not properly fastened, the wiring harness leading to your alternator/generator or other wiring harnesses could fall into an open area between the...
Painless 21-Circuit Universal Chassis Harness without Column Ignition Switch Connector
This 21-circuit kit is our most widely used customizable chassis harness. You'll find that it's easily adaptable to almost any vehicle. This universal harness will work on carbureted or any stand alone fuel injected engine...

Painless 21-Circuit Universal Chassis Harness without Column Ignition Switch Connector
Classic $279.99 ea
1999-2002 GM Truck EFI Harness - 4.8, 5.3 & 6.0L - ls-1 - Drive By Wire
These harness sets allow you to properly wire your engine swap from a donor truck or crate motor. Each harness is designed to work with a specific transmission. Other non-computer-controlled automatic and manual transmissions...

1999-2002 GM Truck EFI Harness - 4.8, 5.3 & 6.0L - ls-1 - Drive By Wire
Classic $1129.99 set
1996-99 GM Truck EFI Harness - TBI 4.3, 5.0, 5.7, 7.4 Engines - 4L40-E Or 4L80-E
These harness sets allow you to properly wire your engine swap from a donor truck or crate motor. Each harness is designed to work with a specific transmission. Other non-computer-controlled automatic and manual transmissions...

1996-99 GM Truck EFI Harness - TBI 4.3, 5.0, 5.7, 7.4 Engines - 4L40-E Or 4L80-E
Classic $949.99 set
1995 GM Truck EFI Harness - TBI 4.3, 5.0, 5.7, 7.4 Engines - 4L40-E Or 4L80-E
These harness sets allow you to properly wire your engine swap from a donor truck or crate motor. Each harness is designed to work with a specific transmission. Other non-computer-controlled automatic and manual transmissions...

1995 GM Truck EFI Harness - TBI 4.3, 5.0, 5.7, 7.4 Engines - 4L40-E Or 4L80-E
Classic $814.99 set
1991-94 GM Truck EFI Harness - TBI 4.3, 5.0, 5.7, 7.4 Engines - 4L80-E
These harness sets allow you to properly wire your engine swap from a donor truck or crate motor. Each harness is designed to work with a specific transmission. Other non-computer-controlled automatic and manual transmissions...

1991-94 GM Truck EFI Harness - TBI 4.3, 5.0, 5.7, 7.4 Engines - 4L80-E
Classic $779.99 set
2008+ Gen IV LS3 EFI Harness; Throttle By Wire
This harness is standalone and is not intended to replace the OEM engine wiring. Standalone harnesses are intended to run the designated engine & transmission only, generally when swapped into another vehicle. This harness is...
1985-90 GM Truck EFI Harness - TBI 4.3, 5.0, 5.7, 7.4 Engines - 4L60-E Or 4L80-E
These harness sets allow you to properly wire your engine swap from a donor truck or crate motor. Each harness is designed to work with a specific transmission. Other non-computer-controlled automatic and manual transmissions...

1985-90 GM Truck EFI Harness - TBI 4.3, 5.0, 5.7, 7.4 Engines - 4L60-E Or 4L80-E
Classic $749.99 set
American Autowire's Highway 22 Plus universal wiring system includes all the features of the original Highway 22 system with numerous modernization and ease of use upgrades. The system still includes the same G-10 composite...

1947-85 GM, Ford; Highway 22 Plus; Fuse Panel System w/ Universal Harness; Plus 22 Circuit / 15 Fuse Modula
Classic $676.99 ea
1992-97 LT1/LT4 V8 Engines; Painless Fuel Injection Wiring Harness; Standard Length
This harness is standalone and is not intended to replace the OEM engine wiring. Standalone harnesses are intended to run the designated engine & transmission only, generally when swapped into another vehicle. This harness is...

1992-97 LT1/LT4 V8 Engines; Painless Fuel Injection Wiring Harness; Standard Length
Classic $669.99 ea
2005-2006 GM LS2 EFI Harness; Throttle By Wire
This harness is standalone and is not intended to replace the OEM engine wiring. Standalone harnesses are intended to run the designated engine & transmission only, generally when swapped into another vehicle. This harness is...
1947-55 1st GM Truck Express 16 Fuse 20 Circuit Wiring Kit
These wiring harnesses are built specifically for 1947-55 1st series GM truck models. They feature wiring for the entire truck and will work with most stock GM steering columns, as well as aftermarket columns such as ididit...
1997-04 LS1/LS6 Engines; Painless Fuel Injection Wiring Harness; Standard Length
This harness is standalone and is not intended to replace the OEM engine wiring. Standalone harnesses are intended to run the designated engine & transmission only, generally when swapped into another vehicle. For...

1997-04 LS1/LS6 Engines; Painless Fuel Injection Wiring Harness; Standard Length
Classic $569.99 ea
Power Plus 20 Circuit Wiring Harness System; Universal Harness
The Power Plus series is a complete deluxe integrated fuse box wiring system utilizing a complete factory style pre-wired fuse box. Power Plus series wiring kits are designed to offer an economical and convienient wiring...
Power Plus 13 Universal Wiring System - GM Column
American Autowire Power Plus 13 universal wiring harness. This complete, integrated wiring system incorporates a factory style pre-wired fuse box, GM steering column and ignition connections, headlight and floor dimmer...
Pickup Truck; Painless 28-Circuit Wiring Harness; Universal Fit
This 28-circuit kit will provide you with all those power accessory circuits you have been looking to add to your pickup chassis. You'll find that the ample wire lengths make this kit especially suited for trucks with long...
Keep It Clean's Pro series of ultra small wire systems feature an easy to install design and allow for expandability for future growth. Keep It Clean Wiring Systems use only the highest quality wire and parts resulting in the...
Keep It Clean Pro Series Ultra Small 15 Fuse 24 Circuit 118 Terminal Deluxe Compact Wire Harness System
Classic $399.99 set
Painless Wiring 28 Circuit Classic-Plus Customizable Chassis Harness; Key In Dash
This Painless Performance 28 circuit chassis harness is our most widely used customizable automotive wiring harness. This universal kit is great for hot rod or street rod builds, but you'll find that it's easily adaptable to...

Painless Wiring 28 Circuit Classic-Plus Customizable Chassis Harness; Key In Dash
Classic $339.99 set
1947-49 Chevrolet Truck; Wiring Harness w/ Alternator
A complete quality wiring harness using the modern PVC coated copper wire. The best PVC on the market. These hand built harnesses are made individually in America. Detailed installation instructions. Includes built-in...
1947-49 Chevrolet Truck; Wiring Harness; w/ Generator; PVC Coated Copper Wire
A complete quality wiring harness using the modern PVC coated copper wire covered with braided or woven strands grouping wires into in clusters. Just like GM did it! The best PVC on the market. These hand built harnesses are...
1947-49 Chevrolet Truck; Wiring Harness; w/ Generator; PVC Coated Copper Wire
Classic $339.99 ea