Painless Wiring 10104 21 Circuit Custom P/U Wiring Harness

As featured on Classic Truck’s Week to Wicked. Watch the transformation here!

This customizable 21 circuit - 12 fuse w/ horn relay and Maxi Fuse pickup chassis wiring harness is made from Painless Performance. You'll find that the ample wire lengths make this kit especially suited for trucks with long beds and extended cabs.  These Painless wiring harnesses feature many pre-wired connections and are color coded to make installation a snap. Included with this harness are the following parts: a GM engineered fuse block & Painless mounting bracket, GM turn signal connectors, pre-wire plugs for the headlights, and a dimmer switch. Application intended for non-fuel injected engine and a non-electronic transmission.

Includes Circuits for:

• A/C & Heat
• Accessory / Cigarette Lighter
• Backup Lights
• Brake Lights
• Charging
• Dome Light
• Electric Choke
• Emergency Flashers
• Fan Relay Activation Power
• Fused Power Source
• Headlights
• Horn (Relay)
• Ignition Coil
• Instrument Panel Lighting and Gauges ( Included wires for: fuel gauge, oil gauge, tachometer, temperature gauge, and voltmeter)
• Park Lights
• Radio/Clock (Constant and Switched) 
• Starting
• Tail Lights
• Third Brake Light
• Turn Signals
• Wipers

Connectors included:

• GM Steering Column Turn Switch
• Two Headlight Pigtails
• 10SI & 12 SI Alternator
• Dimmer Switch

Installation Instructions (PDF)