Oldsmobile Wiring Harnesses & Electrical - OEM-Fit Harnesses & Components

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

Our Oldsmobile 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 Oldsmobile —not a close approximation.

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

1973-1976 Oldsmobile 442 Steering Column Turn Signal Switch Adapter Harness

Flaming River or 1977 & later GM column to stock Dash Harness, Omega Note: Adapts horn, directionals, 4 way flashers, & ignition key warning of column to stock 1973-76 dash connector

1961-1988 Oldsmobile Cutlass 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
Select Color/Material Options  
1961-1988 Oldsmobile Cutlass Torque Converter Lock-Up Switch Update Kit
1964-1988 Oldsmobile Cutlass Supreme 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
Select Color/Material Options  
1964-1988 Oldsmobile Cutlass Supreme Torque Converter Lock-Up Switch Update Kit
1964-1988 Oldsmobile 442 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
Select Color/Material Options  
1964-1988 Oldsmobile 442 Torque Converter Lock-Up Switch Update Kit
1961-1972 Oldsmobile F85 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
Select Color/Material Options  
1961-1972 Oldsmobile F85 Torque Converter Lock-Up Switch Update Kit

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