Chevrolet K20 Wiring Harnesses & Electrical - OEM-Fit Harnesses & Components
Restore your Chevrolet K20’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 K20—restoring the wiring behind the dash, under the hood, and through the body to factory-correct, or factory-improved, condition.
Our Chevrolet K20 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 K20—not a close approximation.
Use the Vehicle Selector above to find the correct wiring or electrical component for your Chevrolet K20, or browse below to explore available options. Whether you’re chasing judging points with a numbers-matching restoration or simply getting your Chevrolet K20 running right, Factory Interiors makes it easy to restore your electrical system with wiring products proudly made in the USA.
1947-1987 Chevy K20 Classic Update Series Alternator Conversion Harness, built to original specification.
- Choose your exact application from the options above
- Each option lists the equipment and fitment it covers
12 volt system specifically for 1947-55 models produced with 6 volt electrical system. Designed with the foresight, engineering, and flexibility to bring your electrical system up to date. Choose the routing of the wiring to fit your needs and accommodate all of the most popular custom/aftermarket and reproduction/original accessories available!!!! Includes many of the vehicle's basic electrical devices and detailed instructions!!!!
for use only with our RestoMod Series wiring system, should your Mega-Fuse become damaged or in need of replacement. NOTE: 2 of these Mega-Fuses are already included with our Classic Update Series wiring system.
1955 Chevy K20 Classic Update Series Wiring Harness System, built to original specification.
- Choose your exact application from the options above
- Each option lists the equipment and fitment it covers
Cameo, Used with Classic Update Series Wiring Harness System 500481
(579 Total Products)