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19 Circuit Classic Customizable 1963-66 GM / Chevy Pickup Truck Harness Part No 10112


Complete chassis wiring harness for:

  • 1963 GMC or Chevrolet Pickup
  • 1964 GMC or Chevrolet Pickup
  • 1965 GMC or Chevrolet Pickup
  • 1966 GMC or Chevrolet Pickup

This harness includes circuits for:

A/C & Heat
Accessory / Four Wheel Drive Switch
Brake Lights
Dome Light
Electric Choke
Emergency flashers
Fan Relay Activation Power
Fused Power Source
Horn (Relay)
Ignition Coil
Instrument Panel Lighting and Gauges*
Park Lights
Radio/Clock (Constant and Switched)
Tail Lights and License Plate Light
Turn Signals

* Including Wires For:
Fuel Gauge Cab and Tank
Generator Light
Oil Gauge
Temperature Gauge

Year: 1963-1966
Make: Chevrolet, GMC
Model: Truck
Engine: Carbureted or Any Stand Alone Fuel Injection
Trans.: Any

Number of Circuits: 19 Circuits – 12 Fuses w/ Horn Relay and Maxi Fuse
Harness Length: Factory Fitment
Fuse Type: Blade & Maxi Fuse
Firewall Passthrough: Grommet
Color Code Based:  GM
Circuit Designations: Printed on Wires

Connections Included:

Wiper motor, dimmer switch, brake switch, wiper switch, headlight switch, horn, alternator, dash light sockets and warning light sockets.

Painless Part Number: 10112 Category: Tags: , , , , , , , , , Product ID: 20688


It truly is Painless Wiring with our 19 circuit 1963-1966 GMC/Chevy Pickup wiring harness.  Many of the factory connectors already installed on the harness out of the box including: the headlight connectors & switch, dimmer switch, brake switch, wiper motor & switch, horn, dash light sockets & bulbs, and warning light sockets. This harness will work with single and dual dash turn signal indicators. Each wire is custom printed with the circuit identification as well as using GM color codes for easy installation.


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