Question about 2003 GMC Envoy

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The radio on my 2003 Envoy quit working. The display on the radio says "need amp." A new amp was put in and the radio still does not work. What could be wrong?

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I need help. hooked up a inline converter for a stereo system. hooked the amp up and i think the inline converter was turned all the way up. i thought i fried every
thing but the radio display, stations, volume, clock still come on the display screen. checked all the speakers they still work. checked all the fuses none blown but no sound.

Posted on Apr 21, 2013

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Radio sends a 12V signal that switches on the amp which has it's own power suply but won't switch on till signaled from deck. Check to see if the amp is powering up.

Posted on Nov 12, 2009

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