Restore your Chevrolet C20’s electrical system with precision-engineered wiring harnesses and electrical components designed specifically for your vehicle. Each harness is manufactured to match the original routing, connectors, and circuits of your Chevrolet C20—restoring the wiring behind the dash, under the hood, and through the body to factory-correct, or factory-improved, condition.
Our Chevrolet C20 electrical lineup includes complete wiring harness sets, battery cables and ground straps, switches, electrical devices, and update/conversion products such as alternator upgrades and electronic ignition conversions. Every component is manufactured and tested to deliver dependable, factory-correct performance, and is organized by your vehicle’s exact year to ensure the harness or component you order is the one built for your Chevrolet C20—not a close approximation.
Use the Vehicle Selector above to find the correct wiring or electrical component for your Chevrolet C20, or browse below to explore available options. Whether you’re chasing judging points with a numbers-matching restoration or simply getting your Chevrolet C20 running right, Factory Interiors makes it easy to restore your electrical system with wiring products proudly made in the USA.
1973-1985 Chevy C20 Alternator Conversion Harness, built to original specification.
backup light extension harness to reproduction/replacement 1966 backup light assembly, (2 required per truck) Note: This adapter wire allows use of non-original backup light assemblies (bullet-type power terminal on wire from backup light assemblies)
Rear Body Light Harness to reproduction/replacement 1967-72 backup light assemblies, Stepside Note: Includes 2 adapter wires which allow use of non-original backup light assemblies (bullet-type power terminal on wire from backup light assemblies)
Converts any GM Delco V8 distributor (equipped with: points, point-adjustment window on distributor cap, screw-on type rotor, & original-type coil) to solid-state electronic ignition. TOTALLY STOCK APPEARANCE WITH DISTRIBUTOR CAP INSTALLED!!
allows use of an aftermarket carburetor equipped with an electric choke, to replace the original Rochester carb. equipped with an electric choke, without cutting your original choke wire
(579 Total Products)