Hi, i have a 2000 Chevy Blazer LT... it blows the 40 am ignition mega fuse. the starter begins to turn over without the key in the ignition, when i begin to replace the fuse but engine won't start.

Asked by Jul 25, 2013 at 11:16 AM about the 2000 Chevrolet Blazer 4 Door LT 4WD

Question type: Maintenance & Repair

4 Answers

25,745

It sounds like a possible grounding issue, I would check you wiring goiing to your starter, also from your main 40amp fuse box, and of coarse your battery cables.

1 of 1 people found this helpful.

Agreed. Something has shorted to ground, something that carries a lot of amperage in normal use, like the cables as Michael said....evidence in the starter engaging by it's self

100,295

Sounds like your starter solenoid is stuck closed, you may have to replace your starter assembly, and that may also be causing you main fuse to blow.

2 of 2 people found this helpful.
10

ignition switch is shorting out and blowing the 40 amp fuse immediately when key is turned on... replaced ignition switch problem solved..shop cost is 153.00 for switch...

1 of 1 people found this helpful.

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