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100 amp main fuse keeps blowing - 2002 Ford Escort

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Posted on Jan 02, 2017

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SOURCE: 100 Amp fuse keeps blowing

I just had that problem and I was hooking up my neg/pos cables backwards... haha it was really confusing because they aren't clearly marked. That's definetely an easy fix!

Posted on Mar 24, 2009

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SOURCE: I changed the battery and

At a guess, I'd say that you have got the new battery in back to front. This means that you are hooking the earth wires to the Positive side of the battery.

Posted on Mar 24, 2011

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SOURCE: tail lights wont come on keeps blowing fuse

put a 12 volt light bulb in place of the fuse. It will stay lit until you find the short circuit. Check tail and park light & side marker bulbs first.

How about if you just turn parking lights on, not headligths

Posted on Oct 11, 2011

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The main fuse 100Amp of a mazda verisa 2005, is cut can it be changed and how do you do that?

this 100 amp fuse is the main control fuse for the vehicle's electrics , go to a mazda dealer and get a new one , it should be obvious how to replace it when you see the new one, i would want to know why this fuse blew in the first place as 100 amps is hard to blow , disconnect the battery before fitting new fuse

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I have a 86 dodge d100. It keeps blowing the main fuse from the alternator to the battery. I have a 100 amp alternator and a standard regulator. Do you think I need a bigger regulator. It only blows...

More testing and info needed. With the car stopped, how many volts at battery? With fuse out, how many volts at each terminal? With vehicle running, repeat previous measurements. What size fuse is popping? Answers to these questions will lead you in the right direction.

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Citroen xsara picasso 2.0hdi battery fuse keeps blowing.

If it's the main Fuse, rated above 40Amps, then usually only two components are directly connected to this circuit. The starter motor and the alternator. Both can get critical short to ground, that may blow such fuse.The thick battery cable goes directly to the starter motor and a smaller high amp wire is looped from there to the alternator. Third less likely would be main supply to ignition key switch.

Mar 21, 2014 | 2001 Citroen Xsara

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I have a 97 galant that keeps blowing the 100 amp fuse? alternator tested good twice checked wiring reads good is there another fuse ?

Usually that fuse powers the alternator and the fuse box.
It would have to be a big short to ground to blow that fuse.
Its possible the main wire to the alternator is touching a metal spot, or the alternator is shorting out inside when it is running.
What is draining the battery may be something else, or the battery could be discharging after the fuse blows if the alternator is not charging it.

Apr 15, 2013 | 1997 Mitsubishi Galant

1 Answer

We have a 2000 Solara that we just replaced the battery in, or rather, we tried, and the horn is now staying on continuously. It keeps blowing a 100 amp fuse, and does not have a key fob type alarm. The...

Why was the battery replaced? Theres no reason the the 100 amp fuse to blow unless the alternator is shorted or you hooked up the battery backwards. I think the 100 amp fuse goes to the alternator. If it was hooked up backwards then you may have engine computer damage.

Aug 25, 2011 | 2000 Toyota Camry Solara

1 Answer

I have a 96 ford escort and the 100 amp fuse keeps blowing. any ideas on what could cause this problem? i cannot find any exposed or touching wires but my o2 sensor is crushed into my axle and bent...

100 Amps ?? !!! Wow...

To be sure if its the O2 sensor...disconnect it and see if the fuse still blows...not allowing the wire to come in contact with the body of the car.

With a crushed O2 probably also have a check engine light...

Jul 23, 2011 | 1999 Ford Escort

1 Answer

My main fuse blew from a loose cable, I replaced the 100 amp fuse

Check ALL your fuses (under-hood as well as in-dash). It is not uncommon for a current surge in excess of 100 amps to blow other fuses.

Apr 14, 2009 | 2000 Hyundai Elantra

2 Answers

Toyota Camry 1994 Main Fuse keeps blowing

-if your fuses are blowing
-the problem is in the wiring
-because if too much amperage flows through the fuse will blow
-there's probably a short to ground somewhere or high resistance after the fuses causing it to draw more amps

Mar 19, 2009 | 1994 Toyota Camry

2 Answers

100 Amp fuse keeps blowing

Fuse MAIN - protects the following circuits:
Power Distribution 58880347

Jan 01, 2009 | 1994 Ford Escort

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