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factory radio harness diagram 2003 escalade

  1. Desperately need help wiring factory radio harness back to OEM radio

    Cadillac Escalade, EXT and ESV Forum - 1999 - 2006
    So, I am working on a friends 2003 Escalade 6.0L. The car has chimes, steering wheel controls, and onstar. The problem is the two radio harnesses were cut at the dashboard and I am having trouble finding a diagram to connect these wires to a new Factory OEM harness he bought. If you guys are...