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Car radio

Tiny
CHAUNCEY730
  • MEMBER
  • 2002 GMC ENVOY
  • 4.2L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 201,103 MILES
Hello, I got a new radio for my vehicle and when I installed it I connected everything correctly and got power to the radio but no sound, not a noise. But, the radio shows it is playing. It does have a built in amp. How could I fix this? Could I take the amp out? I talked to a stereo place and they said I need a $90.00 kit, but I think there just trying to get me to buy their stuff.
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Tuesday, September 5th, 2017 AT 10:32 AM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,895 POSTS
The amp needs to see the radio turn on so the amp does the same. Does the new radio have a blue wire for the antenna? This is what most people use to trigger the amp. Here is a wiring diagram so you can get it connected correctly:

I believe it is the serial port they hook it up to.

Please let us know what happens so it will help others.

Cheers, Ken
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Wednesday, March 31st, 2021 AT 5:38 PM
Tiny
CHAUNCEY730
  • MEMBER
  • 2 POSTS
Yes the wires that came with the radio has 2 blues one says remote out put only and the other says steering wheel remote I have the remote output only connected to the power antenna on the harness
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Wednesday, March 31st, 2021 AT 5:38 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,895 POSTS
The remote wire is the one you want to try
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Wednesday, March 31st, 2021 AT 5:38 PM

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