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
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...
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...
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
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
Painless 9005/9006 Halogen Headlight Harness
Designed for 9005 and 9006 halogen bulbs. To get maximum power from your headlights it is recommended to have the shortest possible distance between the power source and the bulbs. This headlight harness draws power directly...
Painless 9004/9007 Halogen Headlight Harness
Designed for 9004 and 9007 halogen bulbs. To get maximum power from your headlights it is recommended to have the shortest possible distance between the power source and the bulbs. This headlight harness draws power directly...
Painless Gauge Harness for Electric Speedometer; Universal Fit
If you want to keep your under-dash area organized or you think that you need to remove gauges from time to time then you need to install our universal gauge harness. Installation Instructions: Download Here {specs} Made in...
Painless GM Steering Column & Dimmer Switch Pigtails
Perfect for replacing damaged, missing or worn out original connectors for GM steering columns. Pigtails include proper crimps installed on factory connectors for an OE appearance and GM color coded, industry certified...
Painless Modular High Output Alternator Wire
For alternators that produce up to 100 AMPS, this add-on kit provides heavier gauge wiring with connectors to complete the high output alternator installation process quickly, easily and safely. Installation Instructions:...
1992-97 LT1/LT4 V8 Engines; Painless Fuel Injection Wiring Harness; Extra 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. The V8 LT1 and...

1992-97 LT1/LT4 V8 Engines; Painless Fuel Injection Wiring Harness; Extra Length
Classic $744.99 ea
1999-2006 GM; Gen III 4.8/5.3/6.0L; EFI Harness; Mechanical TB
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 Painless...
Painless 28-Circuit Trunk Mounted Chassis Wiring Harness
Are you looking to remote mount your fuse block and you want full power options? Then this 28-circuit kit will provide you with all those power accessory circuits, as well as extra long wires allowing you to mount the fuse...
Painless 21-Circuit Trunk Mounted Chassis Wiring Harness
This 21-circuit kit has extra long wires allowing you to mount the fuse block in a remote location such as in the trunk or behind the rear seat. This harness is highly adaptable to almost any vehicle. Included with this...
Painless 28-Circuit Universal Chassis Harness with Column Ignition Switch Connector
This 28-circuit kit includes most all the power accessory circuits you have been looking to add to your vehicle. This universal harness will work on carbureted or any stand alone fuel injected engine with any type...

Painless 28-Circuit Universal Chassis Harness with Column Ignition Switch Connector
Classic $365.99 ea
Painless 21-Circuit Universal Chassis Harness with 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 with Column Ignition Switch Connector
Classic $310.99 ea
Painless 18-Circuit Universal Harness with Extra Length Wires
Looking for a simple kit to get your bare-bones ride on the road? This Painless 18 Circuit Customizable Harness was designed for builds with minimized needs. This customizable harness may be just what you need. Wiring...
Painless Gauge Harness for Cable Driven Speedometer; Universal Fit
If you want to keep your under-dash area organized or you think that you need to remove gauges from time to time then you need to install our universal gauge harness. Installation Instructions: Download Here {specs} Made in...

Painless Gauge Harness for Cable Driven Speedometer; Universal Fit
Classic $94.99 ea
CirKit Boss Auxiliary Fuse Block/3 Circuits (1 Constant 12V - 2 Ignition 12V)
Protect your OEM warranty or simply isolate additional circuits when required. The circuit add-on isolator provides a cost-effective solution when additional circuits are needed, or accessory equipment requires ignition-hot...

CirKit Boss Auxiliary Fuse Block/3 Circuits (1 Constant 12V - 2 Ignition 12V)
Classic $72.99 ea