Restore your Jeep Wrangler’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 Jeep Wrangler—restoring the wiring behind the dash, under the hood, and through the body to factory-correct, or factory-improved, condition.
Our Jeep Wrangler 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 Jeep Wrangler—not a close approximation.
Use the Vehicle Selector above to find the correct wiring or electrical component for your Jeep Wrangler, or browse below to explore available options. Whether you’re chasing judging points with a numbers-matching restoration or simply getting your Jeep Wrangler running right, Factory Interiors makes it easy to restore your electrical system with wiring products proudly made in the USA.
-O.E.M. made in U.S.A. using original GM/Delco tooling-, (includes wiring)
-O.E.M. made in U.S.A. using original GM/Delco tooling-, (includes wiring)
use with G.M. 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.
1976-1990 Jeep Wrangler Classic Update Series Alternator Conversion Harness, built to original specification.
Building a fiberglass bodied or lifted Jeep? Use this kit along with your Classic Update Series Wiring Harness System.
(25 Total Products)