American International Wiring Harness for 1986-2005 GM vehicles — a precise, plug-and-play solution for upgrading your car stereo with confidence. The 21-pin configuration matches factory radio connectors, delivering reliable signal transfer and clean installation across GM models from 1986 through 2005.
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21-Pin GM Compatibility: precisely matches the factory harness for 1986–2005 GM vehicles.
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Plug-and-Play Installation: connects to the factory radio harness without wiring modifications.
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OEM-Grade Construction: built to meet or exceed original equipment standards for durability and reliability.
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Color-Coded Wiring and Clear Connectors: simplifies installation and reduces mis-wiring.
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Preserves Vehicle Electrical Signals: ensures proper radio power, speaker, and accessory functions.
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Durable, Heat-Resistant Materials: designed for long-lasting performance in the demanding automotive environment.
Whether you're upgrading to a modern head unit or replacing a damaged harness, this American International wiring harness is the trusted choice for a clean, professional result.
