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Metra's GMWH1 aftermarket radio wire harness for select General Motors 1986-2005 models. This harness is used to connect the aftermarket radio to the OEM radio wire harness when replacing the OEM radio.

  • Connects power to aftermarket radio
  • Connects to the OEM radio wire harness
  • Connects power, ground and 4 speaker connection
  • Follows EAI color wiring code for easy installation
  • 5 inches long
  • 21 pin connector
None at this time
  • Select General Motors 1986-2005

Wiring diagram for adding an amplifier & speakers to your ride