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Blown ignition fuse

Igniton 50 amp fuse keeps blowing

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  • 364 Answers

Obviously a short, if there has been an accident on the car, trace the wires and see if they have been crushed from it and not repaired properly. Has the wiring been kicked under the dash and is now been knocked by the brake pedal or steering column? Lastly I would get to a mechanic and use a diagnostic on it to determine if it is the ignition module. hope this helps, good luck.

Posted on Oct 20, 2013

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Posted on Jan 02, 2017

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insanegtp
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SOURCE: 20 amp fuse in the box under hood that keeps blowing

Does it only do this when the heat or A/c is on full blast.. ( I had a few of my customers with this problem and they needed a new blower motor..)

Posted on Jan 26, 2009

  • 6982 Answers

SOURCE: ignition switch fuse terminal is blowing red 40 amp fuse when i try to replace it

A fuse that is consistently blowing is telling you that there is a short in that system. Don't attempt to bridge it or use a larger amp fuse or you will have a major problem. You will need to start tracing wiring to destinations to find the short. If while moving harnesses around problem ceases to exist, look at nearby items where you are working and try to locate what was grounding. Sometimes people will stop if short disappears, leaving open the possibility of it happening again.
If you are not comfortable working with wiring, then leave it to professionals who do this every day. It's not really difficult but requires patience and a good bit of knowledge to do this right!

Posted on Apr 18, 2009

  • 82 Answers

SOURCE: 20 amp ignition fuse keeps blowing

I'm curious, does this vehicle have an alarm/remote starter? If so I expect the installer didn't wire it correctly ... it was an all too frequent issue, with inexperienced installers we had .... I would first suspect any add-on device first (if any) ... In answer to your question ... I know it does have a relay (Starter solenoid is a relay and built onto the starter) As far as it being a relay or the IGN switch ... I'm skeptical.

Posted on May 05, 2009

mindreader
  • 578 Answers

SOURCE: ignition fuse keeps blowing when i turn the key

It MUST be the starter relay coil - or the power wire that feeds it. Likely a short in the relay coil (AKA starter selenoid).

Posted on Oct 12, 2009

  • 608 Answers

SOURCE: my 96 blazer keeps blowing gauge fuse which is a

This is serious current flow and way way over what should be flowing in the circuit. You have a dead short somewhere which is likely to be beneath the dash panel. possibly the printed circuit board behind the instrument cluster.There may be something else sharing the fuse too which has the problem and not in the fuel gauge at all.

Posted on Mar 19, 2010

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Please replace the fuse with a higher rated fuse like 50 to 100 amp.

Take care.

Please rate this fixya.

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