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4 wheel drive service light?

Tiny
JAKEWOLFORD
  • MEMBER
  • 2007 CHEVROLET SILVERADO
  • 46,000 MILES
About 2 weeks ago I had to jump my 2007 2500hd 4x4 (6.0 with 6 speed trans and electronic transfer switch) to start it. I then had a alert that my 4 wheel drive needs service?
Friday, October 4th, 2013 AT 11:17 AM

1 Reply

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

Since this issue begins after a jump start, it is possible that you might have a blown fuse.
Check the fuse box under the hood. There should be a 30A fuse for transfer case function.

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

I have attached the fuse diagrams for the under-hood fuse box.

Please let me know what you find.

Thank you.
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Saturday, October 9th, 2021 AT 10:56 AM

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