Engine Wiring Harnesses

Engine Wiring Harnesses for 1967–1972 GM Trucks

Get your engine bay wired cleanly and correctly with engine wiring harnesses built for 67-72 GM trucks. Whether you're running a stock small block, a big block, or doing an LS swap, we have the right harness to make your C10 or K10 build clean and reliable.

• Engine wiring harnesses for 67-72 GM trucks
• Compatible with SBC, BBC, and LS engine swaps
• Correct connector configurations for C10 and K10 applications
• Trusted brands with proven fitment for classic GM builds

A clean engine bay starts with a clean harness — get the right engine wiring for your classic GM truck.