Nov 232016
 

2012-GMC TerrainThe entire display and radio quit working, all fuses are good,? thanks


RESPONSE

The fuses should be Hot at all times. This means you should see battery voltage at each fuse on both sides of the fuse. Double Check these fuses.

Radio Quit – Check These Fuses First

  1. F5DA – 10 amp – located in the instrument panel fuse block(center console)
  2. F31DA – 30 amp – located in the instrument panel fuse block(center console)
  3. F7DA – 5 amp – located in the instrument panel fuse block(center console)
  4. F15DA – 10 amp – located in the instrument panel fuse block(center console)
  5. F19DA – 10 amp – located in the instrument panel fuse block(center console)
  6. F9DA – 20 amp – located in the instrument panel fuse block(center console)
  7. F33DA – 10 amp – located in the instrument panel fuse block(center console)

If all the fuses show good and but you do not see battery voltage at the fuse, trace the wiring going tot he fuse and repair. If you see battery voltage at the fuses on both side, check wiring going to the display and radio. Check the connections. Repair as needed. If wiring and connections check out, it may necessary to replace the radio and or the display.

You may want purchase a full set of wiring diagrams to assist in tracing the circuit.

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