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Cables hooked up wrong on jump start, computer damage

Tiny
LADYBIRDFLY
  • MEMBER
  • 2010 AUDI A4
  • 3.0L
  • 4WD
  • AUTOMATIC
  • 1,000 MILES
I had to jump start the car today but the man helping me connected the jump leads to his car the wrong way round now my computer has gone down. I have headlights and heater works but the radio and Sat Nav do not.
Saturday, November 17th, 2018 AT 2:39 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,526 POSTS
Hello,

Can you tell me if the rear window defroster is working? If not it looks like you may have a blown maxi fuse 110 amp in fuse panel A near the battery. Here is a guide to check it for power on both sides and the location as well:

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

Check out the diagrams (below). Please let us know what you find. We are interested to see what it is.

Cheers, Ken
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Monday, November 19th, 2018 AT 1:26 PM

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