Aftermarket Stereo and rear radio controls 2003 Envoy

gdot101

Original poster
Member
Dec 6, 2012
2
Hey does anyone know how how to hook up the aftermarket stereo so you have, sterring wheel controls and rear controls in a 2003 gmc envoy
 

fadyasha

Member
Dec 21, 2011
1,134
What a long story that is! Good luck but to point you in the right direction you would need to look into the GMOS-014 for maintaining rear controls.

Also check one of my older threads were there many debates and discussions.
 

gdot101

Original poster
Member
Dec 6, 2012
2
fadyasha said:
What a long story that is! Good luck but to point you in the right direction you would need to look into the GMOS-014 for maintaining rear controls.

Also check one of my older threads were there many debates and discussions.

great thank you so much, I have a question does this adapter only work with big brand names or will it work on there no name aftermarket decks on ebay
 

fadyasha

Member
Dec 21, 2011
1,134
They're tested with branded aftermarket brands but after seeing non branded ones in the market here they all have the same wiring in the back. I'd presume they would work but not certain since haven't tested it
 

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