Chevrolet K20 Suburban Wiring Harnesses & Electrical - OEM-Fit Harnesses & Components
Restore your Chevrolet K20 Suburban’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 Suburban—restoring the wiring behind the dash, under the hood, and through the body to factory-correct, or factory-improved, condition.
Our Chevrolet K20 Suburban 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 Suburban—not a close approximation.
Use the Vehicle Selector above to find the correct wiring or electrical component for your Chevrolet K20 Suburban, or browse below to explore available options. Whether you’re chasing judging points with a numbers-matching restoration or simply getting your Chevrolet K20 Suburban running right, Factory Interiors makes it easy to restore your electrical system with wiring products proudly made in the USA.
Cigarette Lighter Power Feed Wire to cigarette lighter, fused jumper wire allows you to add 10 amp fuse protection for an original type cigarette lighter (cutting and re-terminating of original cigarette lighter power feed wire is required)
front single dash speaker, (wiring from speaker to speaker harness connector) Use when installing aftermarket speaker. Made to solder wires directly to aftermarket speaker and with correct connector for connection to original wiring.
rear speaker, (wiring from speaker to speaker harness connector, 1 required per speaker) Use when installing aftermarket speaker. Made to solder wires directly to aftermarket speaker and with correct connector for connection to original wiring.
1967-1972 Chevy K20 Suburban Steering Column Turn Signal Switch Adapter Harness, built to original specification.
- Choose your exact application from the options above
- Each option lists the equipment and fitment it covers
Flaming River or 1977 & later GM column to stock Dash Harness, Note: Adapts horn, directionals, & 4 way flashers of column to stock 1973-76 dash connector
(269 Total Products)