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Keeps blowing ignition fuse

Tiny
PATRICK GALLAGHER
  • MEMBER
  • 2004 CHEVROLET SILVERADO
  • 5.3L
  • V8
  • 4WD
  • AUTOMATIC
  • 200,000 MILES
I notice the RPM needle and turn signals stop working. When I turn the truck off. It won’t start. I change the ignition E 10 amp fuse and it starts right up with everything working. Also the 4 wheel drive selector switch changes all the time when I turn on the key ie; 4 low, 4 high, or neutral. Could it be ignition switch or 4 wheel drive selector switch?
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Friday, September 18th, 2020 AT 11:54 AM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good afternoon,

I attached the fuse diagram for your truck for ignition E.fuse.

In order to find out what is causing the fuse to fail, you need to disconnect what the fuse controls to see which component is causing this.

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

It could be the instrument panel, turn signal switch, park/neutral switch or the A/C compressor relay.

https://www.2carpros.com/articles/how-to-check-wiring

Roy
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Friday, September 18th, 2020 AT 1:02 PM

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