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40A fuse keeps blowing

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Old Mar 1, 2013 | 11:59 PM
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RealEF8's Avatar
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Default 40A fuse keeps blowing

Background story:

Bought a 98 ITR from as somewhat of a small project. Previous owner started taking apart to convert into a track car. The whole interior was completely taken apart along with the dash. So I put the car back together and go to turn it on and nothing. I immediately knew there was something wrong when I didn’t hear the fuel pump prime. I started checking fuses and found the ignition fuse (40A) under the hood was blown. I went out and bought another one to replace it. I replace it and as soon as I connect the battery, the fuse blew again.
I've checked all grounds and they are all grounded.

Any ideas on what can be causing the fuse to blow?


Pictures:





Green fuse that keeps blowing
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Old Mar 2, 2013 | 11:43 AM
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racebum's Avatar
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Default Re: 40A fuse keeps blowing

i'm going to go out on a limb here and say short to ground

you have to start tracing wires brah ...
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Old Mar 2, 2013 | 07:01 PM
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Default Re: 40A fuse keeps blowing

Definitely a wiring problem. Maybe you have a wire pinched somewhere
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Old Mar 4, 2013 | 07:31 AM
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Default Re: 40A fuse keeps blowing

The ignition fuse or (fuse 42)
sends power through the ignition column -> starter cut relay -> starter solenoid.

Since the fuse blows after you turn the key, its something related to this or after. Does the fuse only blow when the key is actually turned to trigger the starter? If you remove the starter cut relay, does it still blow? Have you check the wiring to the starter solenoid?
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Old Mar 7, 2013 | 02:43 PM
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RealEF8's Avatar
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Default Re: 40A fuse keeps blowing

Originally Posted by citrus3000psi
The ignition fuse or (fuse 42)
sends power through the ignition column -> starter cut relay -> starter solenoid.

Since the fuse blows after you turn the key, its something related to this or after. Does the fuse only blow when the key is actually turned to trigger the starter? If you remove the starter cut relay, does it still blow? Have you check the wiring to the starter solenoid?
Fuse blows as soon as the battery is connected (no key in the ignition).
Haven't had time to really look at it, but will start looking at wires and grounds.
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