Electrical issues after a jump start incorrectly done

Tiny
BAMAGARV
  • MEMBER
  • 2005 CADILLAC DEVILLE
  • 4.6L
  • V8
  • 2WD
  • AUTOMATIC
  • 133,000 MILES
All hazards work the flasher was tries. The turn signals don't work or click at the same time. The speedometer got stuck on 0 even if I drive 40 mph.
Barry Garvin. I had a stroke in 2006 on social security now.
Friday, March 8th, 2019 AT 7:28 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 44,215 POSTS
Hello,

It sounds like the BCM has gone out but lets start by checking the fuses first. Here is a guide and the fuse locations to get us started:

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

Check out the diagrams (below). Please let us know what you find. We are interested to see what it is.
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Monday, March 11th, 2019 AT 10:43 AM

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