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.
adapts "T" shaped motor connector to side by side blade type motor connector
rear speaker, (wiring from rear speaker wire to speaker, 1 required per speaker) Use when installing replacement or aftermarket speakers. Made with correct connector for hook-up to current GM replacement speaker and correct connector for connection to original wiring, or cut off connector for hook-up to current GM replacement speaker and solder wires directly to aftermarket speaker.
Ventura (wiring from speaker to speaker harness connector, 1 required per speaker) Use when installing aftermarket speakers. Made to solder wires directly to aftermarket speaker and with correct connector for connection to original wiring.
rear speaker, (wiring from speaker to speaker harness connector, 1 required per speaker) Use when installing aftermarket speakers. Made to solder wires directly to aftermarket speaker and with correct connector for connection to original wiring.
Phoenix (wiring from speaker to speaker harness connector, 1 required per speaker) Use when installing aftermarket speakers. Made to solder wires directly to aftermarket speaker and with correct connector for connection to original wiring.
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