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.

1963-1966 Chevy Truck Steering Column Turn Signal Switch Adapter Harness

1963-1966 Chevy Truck 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

1967-1972 Chevy Truck Steering Column Turn Signal Switch Adapter Harness

1967-1972 Chevy Truck 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

1973-1976 Chevy Truck Steering Column Turn Signal Switch Adapter Harness

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

1955 Chevy Truck Temperature Gauge Conversion Harness

from temperature gauge to ignition switch & temperature sending unit, 2nd Series, 12 volt, this harness will allow you to easily replace your mechanical temperature gauge with a 1956 electric temperature gauge and sending unit without cutting or splicing any wiring. Intended for use with, but does not include, the original style temperature gauge and sending unit (temperature sending unit part #01513130, sold separately).

1946-1998 Chevy Truck Torque Converter Lock-Up Switch Update Kit

use with 700R4 or 2004R automatic trans. EXCEPT 4L60E or 4L80E. Completely externally installed kit allows for automatic operation of the torque converter lock-up (overdrive) without installing the computer!!!! Kit includes instructions.

$113.0
• SALE $112.95
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1946-1998 Chevy Truck Torque Converter Lock-Up Switch Update Kit

(607 Total Products)