Audio from the radio stopped working

1987 GMC SUBURBAN
98,534 MILES • 5.7L • V8 • 4WD • AUTOMATIC
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CLIFF WRIGHT
  • MEMBER
  • 1 POST
My radio was working fine one day and the next there was no sound. I changed the radio to a Boss BE10ACP single din with a double din display. hooked everything up like normal and still no audio. i didn't do any work on the suburban before the audio stopped working.
Mar 15, 2021 at 12:23 PM
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STRAILER
  • ✓ASE Certified Mechanic
  • 54,832 POSTS
  • ASE Certified Mechanic
It sounds like the head unit went bad (common) but to be sure lets check for power and ground for the system. here is a guide to help you with the radio wiring diagrams blow so you can see how the system works:

https://www.2carpros.com/articles/how-to-check-wiring

Check out the diagrams (below). Please let us know what happens.
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Professional Diagram for 2CarPros Members
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Mar 17, 2021 at 10:09 AM
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