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Electrical short

Tiny
LICO TORRES
  • MEMBER
  • 2010 GMC SIERRA
  • 5.6L
  • V8
  • 2WD
  • AUTOMATIC
  • 24,000 MILES
Battery drain, when I disconnect the positive cable the one held with the brass nut going to the fuse box in the engine compartment the drain to the battery will stop. Also every time I connect the cable I get sparks until I tighten the nut.
Wednesday, November 27th, 2019 AT 2:43 PM

1 Reply

Tiny
SCGRANTURISMO
  • MECHANIC
  • 4,897 POSTS
Hello,

This definitely sounds like have a Parasitic Draw issue going on here. In the diagrams down below I have included a guide for you that explains how to track down the circuit that is causing parasitic draw along with the fuse box diagrams and callouts for your vehicle. Here is a generic guide for you to start with in the link below:

https://www.2carpros.com/articles/car-battery-dead-overnight

Please go through these guides and get back to us with the fuse that is the problem and we can go from there.

Thanks,
Alex
2CarPros
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Wednesday, November 27th, 2019 AT 5:15 PM

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