Painless Performance Classic-Plus Chassis Harness 27 Circuit Customizable Chevrolet/GMC C10 1973-1987

Painless Performance:


  • Factory Bulkhead Connectors
  • Easy Fuse Block Mounting
  • Custom Printed Wiring
  • GM Color Codes
MSRP $690.13
You save 7%

Painless Performance 27 Circuit Customizable Classic-Plus Chassis Harness for 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986 and 1987 Chevrolet and GMC C10s.

This 27 Circuit 1973-1987 GMC/Chevy Painless Wiring Harness (20205) is designed for GM’s 2WD trucks, whether C10, C20, or C30. It features a factory style bulkhead connector, allowing for easy mounting of the fuse block in the factory location, and has many of the factory connectors already installed on the harness out of the box.

Features and Benefits:
- Most factory connectors pre-installed
- Each wire is marked with location
- GM factory colors
- Switches are not included

This harness includes connectors for the headlight switch, dimmer switch, wiper motor, ignition switch, blower motor & switch, blower resistor, and instrument cluster. Each wire is custom printed with the circuit identification as well as using GM color codes for easy installation.

Please Note: This harness does not support factory installed TBI fuel injection, computer controlled carburetors, rear power glass, rear defrost, or rear A/C/Heat - many of these items are separate from the OE chassis harness.

Vehicle Fitment: 1973-1987 Chevy/GMC 2WD C10, C20 and C30

California Residents: Proposition 65 Warning

Vehicle Fitment

This product will fit the following C10 years:

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