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Fuses ldv maxus

40 amp ignition fuse keeps blowing

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 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

a00gha
  • 21 Answers

SOURCE: blowing ignition a fuse

I believe you mean a 40 amp fuse? Wow! that's a dead short somewhere on a large wire. Could be difficult, or hopefully easy to find. There's always the smoke test option: Solder a jumper wire across the top of the fuse, making the circuit essentially un-fused and look for the smoke. Not the best method, but quick. Warning: if you do this, depending on where the short is, you could melt down the wire harness or possibly start a fire. Try this at your own risk! IT'S A "LAST RESORT" THING, WHEN YOU'VE TRIED EVERYTHING ELSE AND FAILED! Good luck.

Posted on May 25, 2009

  • 113 Answers

SOURCE: 40 amp spade fuse in the engine compartment fuse box

look for a short in the harness

Posted on Aug 23, 2009

  • 7 Answers

SOURCE: 40 amp ignition fuse keeps blowing

ok. fuse to WHAT ? 40 maxi fuse takes a lot to blow.

Posted on Jan 06, 2011

SOURCE: 94 Jeep Grand Cherokee 4x4 with the 4.0 Keeps blowing the fuse that controls the fuse box inside the jeep, its blowing a 40 amp fuse. I believe there is a short. but i don't where to look.

Get yourself a set of factory wiring diagrams,
otherwise your wasting your time

You have no idea what you working on, without
reference material

Helm.Com

Posted on Jun 21, 2012

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1 Answer

The fuel warning light on my LDV Maxus doesn't work


Is it on? Is it off? Is it flashing? Why do you say it's not working? I don't understand how you think this is enough information to answer your question. It probably needs a new fuse or a new bulb.

Oct 13, 2016 | Cars & Trucks

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40 amp ignition fuse keeps blowing on my 1998 Chevy ST 2WD


You have a short to ground on that circuit , find a wiring diagram an see what all is on that fuse . So far I see the ignition switch an starter relay ! Does it blow right away when you replace it or do you have to turn on the ignition switch ?

Jun 06, 2015 | Chevrolet Cars & Trucks

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93' Jeep Grand Cherokee Limited V8 keeps bowing the 40amp Ignition fuse. Checked Starter, by jumping it. Starter worked just fine. Keeps blowing fuse and leaving me right back where i started, dead...


Blowing fuses is never an easy direct fix. Its rather a hunt needs some dedication. What I try and do is Figure out what is all on this 40 amp fuse, and one at a time remove something from the system and see if it blows. The key is knowing when it will blow for these tests to work. Keep removing what ever is on the system until it stops blowing a fuse. Then figure out how to single out items on that fuse. Whatever fuse it is the problem is on its path. Check all paths that go to items if no items are easily singles out. Replace as you find ,smash, green corrosion and shady connecters. Looks for heat by finding melted plastic connecters. These are clues. If you have a volt meter, then you will find the problem a whole lot easy, by figuring out what OHMS LAw is for whatever guage wire you are working with and a rough guess on length of known path. Using this you can find smashed and corroded wires quicker. As well as finding a short to ground and even short to powers in some cases. Good luck :)

Jun 03, 2014 | Cars & Trucks

1 Answer

1995 Mercury Grand Marquis blowing 40 amp fuse as soon as I turn on ignition


It will help if you can identify the 40 Amp fuse that is being toasted when the key is turned.

I looked briefly at a fusebox diagram and found 3 circuits protected by a 40 Amp fuse. The Lamp circuit protects several circuits which have smaller rated fuses on each separate wire. The 40 Amp protection seems to be a safeguard if all the smaller circuits are active in total. Turning off the automatic headlights, should reduce power drain.

The next circuit is the Rear window defroster. Can easily pull 40 Amps, but once the 40 Amp fuse breaks, it should have no effect on the engine.

The last circuit, on the cars with Trailer Tow or Police package has a
40 Amp fuse on the Battery charge Relay. This is a remote possibility. But the engine should be able to run without an Alternator for several minutes using Battery power.

Have them check the fuel pressure. The Inertia switch could have tripped while the car was being repaired. It does not explain the wiring short, but can explain the no start condition.

Again, if the same 40 Amp circuit is overloading, identify the circuit with the fuse box diagram.

Feb 18, 2014 | 1995 Mercury Grand Marquis

1 Answer

40 amp ignition fuse keeps blowing


U have a positive wire making ground

Jul 30, 2012 | Jeep Cherokee Cars & Trucks

1 Answer

94 Jeep Grand Cherokee 4x4 with the 4.0 Keeps blowing the fuse that controls the fuse box inside the jeep, its blowing a 40 amp fuse. I believe there is a short. but i don't where to look.


Get yourself a set of factory wiring diagrams,
otherwise your wasting your time

You have no idea what you working on, without
reference material

Helm.Com

Jun 20, 2012 | 1994 Jeep Grand Cherokee

2 Answers

L999 Chevy Cavalier keeps blowing fuses and won't start


you have a SERIOUS electrical problem. - '.
BUT which fuses keep blowing - that is where we need to start.
1. is it the ignition circuit. - - does starter motor turn over when you trun the key.
2. is it the starter relay circuit.
3. is it the starter motor circuit.
4. is it the computer circuit. - - do you have fuel pumping to the engine and cylinders.
5. none of the above. - - do you have spark at the spark plugs.

Apr 14, 2011 | 1999 Chevrolet Cavalier

1 Answer

40 amp ignition fuse keeps blowing


ok. fuse to WHAT ? 40 maxi fuse takes a lot to blow.

Jan 02, 2011 | 2004 Ford Focus

1 Answer

Ignition fuse blows every time


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

Take care.

Please rate this fixya.

Apr 10, 2009 | 1998 GMC Jimmy

1 Answer

Blowing ignition a fuse


I believe you mean a 40 amp fuse? Wow! that's a dead short somewhere on a large wire. Could be difficult, or hopefully easy to find. There's always the smoke test option: Solder a jumper wire across the top of the fuse, making the circuit essentially un-fused and look for the smoke. Not the best method, but quick. Warning: if you do this, depending on where the short is, you could melt down the wire harness or possibly start a fire. Try this at your own risk! IT'S A "LAST RESORT" THING, WHEN YOU'VE TRIED EVERYTHING ELSE AND FAILED! Good luck.

Mar 22, 2009 | 1996 Chevrolet Astro

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