Buick Wiring Harnesses & Electrical - OEM-Fit Harnesses & Components
Restore your Buick ’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 Buick —restoring the wiring behind the dash, under the hood, and through the body to factory-correct, or factory-improved, condition.
Our Buick 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 Buick —not a close approximation.
Use the Vehicle Selector above to find the correct wiring or electrical component for your Buick , or browse below to explore available options. Whether you’re chasing judging points with a numbers-matching restoration or simply getting your Buick running right, Factory Interiors makes it easy to restore your electrical system with wiring products proudly made in the USA.
Centurion
Electra
Estate Wagon
Gran Sport
GS
GS 350
GS 400
GS 455
Invicta
LeSabre
Riviera
Skylark
Special
Wildcat
1969-1972 Buick Wildcat 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
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.
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.
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.
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.
(4170 Total Products)