Question about 1992 GMC Sierra

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I own a 1992 GMC Sierra Pickup still with the factory am/fm radio receiver and the seperate cassette player with graphic equalizer. A few years back it started to fail when turning on and now does work at all. When power is on to the truck and radio it shows a station, volume about 1/2 way up with no sound. Volume is not adjustable nor is the radio station by either pressing a different channel button or using the tuner (seek) button. With truck power on and the radio powered off the clock just shows 1:00 and this is not adjustable. I have checked all the wiring from the radio to cassette player and from radio to power amp and have reseated these and still have the same problems. Any ideas on what it could be?

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I have the same problem in my 1988 Sierra. The radio does not work and neither does the heater/ac. I was hoping there was a relay somewhere that I am missing? Any Ideas?

Posted on Aug 22, 2014

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I would say the problem is inside the radio itself. I have no idea if anyone repairs these units anymore or if any good used ones are available.

Posted on Apr 11, 2011


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