Pontiac Tempest Wiring Harnesses & Electrical - OEM-Fit Harnesses & Components
Restore your Pontiac Tempest’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 Pontiac Tempest—restoring the wiring behind the dash, under the hood, and through the body to factory-correct, or factory-improved, condition.
Our Pontiac Tempest 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 Pontiac Tempest—not a close approximation.
Use the Vehicle Selector above to find the correct wiring or electrical component for your Pontiac Tempest, or browse below to explore available options. Whether you’re chasing judging points with a numbers-matching restoration or simply getting your Pontiac Tempest running right, Factory Interiors makes it easy to restore your electrical system with wiring products proudly made in the USA.
front single dash speaker, Use when installing original, replacement, or aftermarket speaker. Made with correct connector for hook-up to current GM replacement speaker and correct connector for connection to original radio or radio harness. You can cut off connector for hook-up to current GM replacement speaker and solder wires directly to original speaker (as was done originally) or aftermarket speaker.
rear passenger side speaker to rear driver side speaker, except Convertible & Station Wagon Note: This harness is used with a rear passenger side speaker wire to complete rear dual speaker wiring
fader switch assembly to radio & rear speaker wire, monaural radio, with front center dash speaker & rear speaker, without reverb or tape player (solders directly to terminals on fader switch assembly)
Dash Harness radio connector to rear passenger side speaker wire, without reverb option or tape player Note: This harness is used with a rear passenger side speaker wire to complete rear passenger side speaker wiring
front single dash speaker, Use when installing original, replacement, or aftermarket speaker. Made with correct connector for hook-up to current GM replacement speaker and correct connector for connection to original radio or radio harness. You can cut off connector for hook-up to current GM replacement speaker and solder wires directly to original speaker (as was done originally) or aftermarket speaker.
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