I AM HAVING ELECTRICAL ISSUES AND MY ENG FUSE KEEPS BLOWING. WHY IS THIS HAPPENING?

1996 Chevrolet Blazer

Tiny

tophdaddy

July, 12, 2012 AT 2:01 PM

I just finished changing out my transmission. I started it up and it began to blow the fuse. I don't know what would cause this. Engine will not run properly with out this fuse.

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4 Answers

Tiny

Docfixit

July, 12, 2012 AT 2:19 PM

4.3L? Does fuse blow sec. Key is turned to start? If yes several things feed by that fuse check work see if wire got pinched possibly between trans and engine

Tiny

tophdaddy

July, 12, 2012 AT 10:26 PM

Yeah it is a 4.3 and I checked all of wire running to the trans and we made sure the hot wire running to the starter wasn't grounded out and didn't help. Fuse does blow as I turn the key on

Tiny

Docfixit

July, 13, 2012 AT 3:12 PM

Check all O2 sensor wiring look for pinched or damaged wiring

Tiny

tophdaddy

July, 23, 2012 AT 2:31 PM

Thanks for the advice. It was the o2 sensor itself shorting out. Got it fixed and runs great.

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