Dashboard not lighting up

Tiny
MATAITIS2020
  • MEMBER
  • 2008 GMC ENVOY
  • V6
  • 4WD
  • AUTOMATIC
  • 158,500 MILES
All of a sudden, my dashboard, radio and windows all stopped working. This is after my battery had to be disconnected.
Monday, March 7th, 2022 AT 3:39 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi,

There is a chance that a fuse has failed. Do me a favor. I looked through the wiring schematics and noted that power for the items you mentioned originates at fuse 36 (ign B) fuse in the under-hood fuse box. I need you to locate the fuse and check to see if it is good. In addition to checking the fuse, I need you to confirm there is power to and from it.

Here is a link you may find helpful:

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Additionally, if you look below, I attached a pic of the under-hood fuse box and highlighted the fuse to check.

Let me know what you find or if you have other questions.

Take care,

Joe

See pic below.

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Monday, March 7th, 2022 AT 7:23 PM
Tiny
MATAITIS2020
  • MEMBER
  • 5 POSTS
I did look at those and they are fine. I've got nothing on my dash for lights, no radio, windows or taillights. This happened after I had to unplug my battery.
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Tuesday, March 8th, 2022 AT 4:01 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi,

The idea that you lost all of these at the same time is likely a fuse. In addition to checking the fuses, did you confirm there is power to them? These circuits depend on a series of fuses. We need to determine where power is lost so we can identify the fuse before that point which is likely the cause.

Let me know if you have already checked for power to all fuses related to the affected components.

Take care,

Joe
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Wednesday, March 9th, 2022 AT 2:20 PM

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