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GM Wiring Harness

GM Wiring Harness
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  1. Metra 70-1859 Car Stereo wire harness - Main
    Metra 70-1859 Car Stereo Wiring Harness for 1999 - 2002 GM Vehicle with factory amplifier
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    $12.99
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    • Plus into factory car harness for select 1999 - 2002 GM vehicles with factory amplifier
    • Includes 21 Pin power and speaker plug with factory tight connections
    • Makes replacing the factory car stereo very easy without cutting wires
    • No modification to existing vehicle wiring
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Car Stereo Wiring how to's and guides
What do the wire colors of a car stereo mean?
Car stereo wiring is color coded for convenience and simplicity. Each wire color has a specific meaning, we show you what they are.
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Related Articles & Videos
Car Stereo Installation 101

How to install a car stereo

Watch our video and read our blog for step-by-step instructions documenting the installation of a aftermarket car stereo receiver.

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Car Stereo Wiring Guide

Car Stereo Wiring Guide

Watch our video and read our blog for the proper wiring colors and their definitions. We explain wire-by-wire what these connections do for the installation of an aftermarket car stereo receiver.

QualityMobileVideo Blog

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