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1999 jeep. Wrangler #3 fuse (10amp) for instrument panel just started blowing. I put new fuse in and turn key and it blows. Just bought jeep last Monday.

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  • Jeep Master
  • 20,706 Answers

That fuse blowing saved the ensuing fire. that is its job, no fires.
that means, it has a dead short on that line,.

if you dont have an ammeter, and fuse circuit breaker adapter tool.
both cheap) you will play H3LL finding it.

so wana buy tools or guess. you can inspect that line for free.
looking for days. ????
the first thing to do is look at the schematic,
for fuse 3 (fuse 3 inside or outside fuse box.) there are 2 fuse 3s/
seen here for free
http://www.jeep4x4center.com/knowledge-base/index.htm?utm_source=cj#service

one fuse 3 is 30amps. runs the ignition switch (vast paths)
fuse 3 PDC. must not be that one.
the interiour box, is called FB, or junction box.
it has a #3 too. called FB

page 8w-11-4 see that page.
see all them loads.... all can short. or the wires.
its and ORANGE wire (USA colors)
PRNDL LAMP
FOG LAMPS
RADIO
REAR DEFOG.
A/C HEAT.
REAR WASHER.
AND BINGO. INSTRUMENT CLUSTER.
ONE OF THOSE is shorted, or the path to it.
we use and ampclamp meter $45 to find this.
it tell which line is shorted and in which direction.
makes finding it easy,

http://www.mcmelectronics.com/product/72-7224

matching size, i use a CB.
ATC fuse circuit breakers 10amp
this allows me to find the short, and not need a box of 100 fuses.
i have a 1 hour video that shows (no me, a school)
showing how to find shorts. (youtube)

http://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Daps&field-keywords=ATC+fuse+circuit+breakers+10amp&rh=i%3Aaps%2Ck%3AATC+fuse+circuit+breakers+10amp


if fuse size is ATC, get thermal breaker.
it auto resets. so you can just keep measuring current and see
it trip, over and over, and watch the meter.
while tracing the plath

is this the answer you want or a wild guess.?

Posted on Mar 30, 2014

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Posted on Jan 02, 2017

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SOURCE: Blows fuses when parking lights are turned on. Headlights work fine even running lights.

If it only happens when you turn the switchto the parking lights then it is most likely the swich that is the problem. Light swich failure appears to be a common fault with fords

Posted on Apr 23, 2009

  • 16 Answers

SOURCE: Jeep wrangler Fuse box

You have two locations for the fuse box. One is either under the hood or behind the glove box. I would pull apart the glove box and take a look.

Posted on Jan 10, 2009

  • 4 Answers

SOURCE: Jeep wrangler Fuse box

i had the same problem. i drive a 95 so im not sure if it differs from were the fuse box is. look righ above you pedals to your far left. it should be right there. also if you instruments went out it will be a 15 fuse. its a blue fuse. next my panel went out cuz of the wires on my transmission. if yor looking at your jeep at the front. the wires will be on your left. make sure they are not burned or anything. it will be right on the side of your tranny. mind got burned by the exaust so they were shorting. check that is and see if that is what is it. for a temp fix just put some electrical tap around the wires and you should be set for a wile. good luck

Posted on Jun 30, 2008

  • 8 Answers

SOURCE: 1996 ford f150 blows the 10amp fuse going to the speed odometer.

I'm glad you found what was causing the fuse to blow. A wiring diagram is almost a must when troubleshooting electrical. you may be able to find that sensor at a pick-a-part or wrecking yard. Just be extreamly careful, it is very easy to set off the air bag. Make sure that all power is off before working around that area.

Posted on Jun 05, 2009

  • 1 Answer

SOURCE: engine 1 fuse keeps blowing when you turn the key

Engine 1 fuse powers the computer and some sensors. I had this same problem on a 98 chevy van 3500 and found the wire going to one of the oxygen sensors had shorted out on the heat shield. Inspect the wires going to all of the oxygen sensors. On this van one of the oxygen sensors on the driverside the wire was laying on the heat shield which eventually rubbed through the wire and shorted it out blowing the fuse. Your short could be on a different sensor but check all of the oxygen sensors because the wire runs so close to the sharp heat shield.

Posted on Aug 06, 2009

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