American International Wiring Harness for 1978-1991 GM is a high-quality replacement wiring harness crafted to restore electrical reliability and simplify repairs for classic GM vehicles from the late 70s through the early 90s. Designed for a plug-and-play fit with factory-style connectors, this harness delivers a seamless installation experience and keeps your vehicle's electrical system running smoothly.
Built for durability and performance, it features premium insulation, corrosion-resistant connectors, and color-coded wiring for quick identification. The harness is designed to replace brittle, damaged, or aging factory wiring, helping to reduce electrical gremlins, intermittent lights, and sensor issues that can plague vintage GM builds.
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Precise fit for 1978-1991 GM models: engineered to match the original layouts for reliable, factory-like performance.
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OEM-grade quality: durable materials and connectors built to last under heat and vibration.
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Easy installation: plug-and-play design with labeled connectors to streamline wiring work.
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Color-coded wiring: simplifies troubleshooting and future maintenance.
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Comprehensive replacement: a complete harness solution to restore electrical systems in one upgrade.
Restore confidence behind the wheel and enjoy dependable lighting, dashboards, and ignition systems with this American International wiring harness engineered for GM vehicles from 1978 through 1991.
