Oldsmobile Deluxe 88 Wiring Harnesses & Electrical - OEM-Fit Harnesses & Components

Restore your Oldsmobile Deluxe 88’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 Deluxe 88—restoring the wiring behind the dash, under the hood, and through the body to factory-correct, or factory-improved, condition.

Our Oldsmobile Deluxe 88 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 Deluxe 88—not a close approximation.

Use the Vehicle Selector above to find the correct wiring or electrical component for your Oldsmobile Deluxe 88, or browse below to explore available options. Whether you’re chasing judging points with a numbers-matching restoration or simply getting your Oldsmobile Deluxe 88 running right, Factory Interiors makes it easy to restore your electrical system with wiring products proudly made in the USA.

1957 Oldsmobile Deluxe 88 Power Window Motor Adapter Harness

adapts "T" shaped motor connector to side by side blade type motor connector

1953-1957 Oldsmobile Deluxe 88 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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1953-1957 Oldsmobile Deluxe 88 Torque Converter Lock-Up Switch Update Kit
1953-1957 Oldsmobile Deluxe 88 Wire Harness Modification: Conversion to 1973-1985 Si Series Internally Regulated Alternator

for use in stock generator/alternator original mounting location. Order correct harness part # for your car along with this modification part #.

1953-1957 Oldsmobile Deluxe 88 Wire Harness Modification: Conversion to H.e.i.

GM H.E.I. (High Energy Ignition) style distributor. Order the correct harness part # for your car along with this modification part #. The harness you need to order is usually the Engine Harness, but can be the Dash Harness. To verify, check the wiring going to the ignition coil and ballast resistor (if applicable) in your car.

1955-1957 Oldsmobile Deluxe 88 Circuit Breaker: Power Accessory

-O.E.M. replacement made in Mexico-, (40 amp with "T" shaped mounting bracket that is slightly longer than original)

(42 Total Products)