Chevrolet Truck Wiring Harnesses & Electrical - OEM-Fit Harnesses & Components

Restore your Chevrolet Truck’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 Truck—restoring the wiring behind the dash, under the hood, and through the body to factory-correct, or factory-improved, condition.

Our Chevrolet Truck 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 Truck—not a close approximation.

Use the Vehicle Selector above to find the correct wiring or electrical component for your Chevrolet Truck, or browse below to explore available options. Whether you’re chasing judging points with a numbers-matching restoration or simply getting your Chevrolet Truck running right, Factory Interiors makes it easy to restore your electrical system with wiring products proudly made in the USA.

1957-1959 Chevy Truck Ignition Switch Adapter Harness

1955-56 Chevrolet Truck reproduction ignition switch to stock 1957-59 Chevrolet Truck engine harness

1955 Chevy Truck Speaker Adapter Harness

speaker lead wires to front single roof speaker, 2nd Series, 12 volt Use when installing replacement, or aftermarket speaker. Made with correct connectors to connect to original speaker wiring and solder wires directly to replacement or aftermarket speaker

1956-1959 Chevy Truck Speaker Adapter Harness

speaker lead wires to front single roof speaker, Use when installing replacement, or aftermarket speaker. Made with correct connectors to connect to original speaker wiring and solder wires directly to replacement or aftermarket speaker

1973-1987 Chevy Truck Speaker Adapter Lead Wires

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.

1978-1987 Chevy Truck Speaker Adapter Lead Wires

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.

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