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2001 V8 grand cherokee keeps blowing fuses???

Keeps blowing pcm 10 amp fuses??? any reason why???

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  • pannacchione Jan 16, 2009

    THE FUSE IS UNDER THE BONNET ON THE DRIVERS SIDE IN THE FUSE BOX. ON THE BOX SAYS THE FUSE IS FOR THE PCM AND BATTERY. WHEN THE FUSE BLOWS THE DASH LIGHTS DO DULL AND NO FIRE. VEHICLE STILL CRANKS BUT DOESNT START

  • Henry KAo May 11, 2010

    can't the pcm fuse amperage to low to be pcm and battery.

  • lhames May 11, 2010

    What is the fuse for? lights, dash, radio,etc? you said 10 amp but when it blows what dosen't work?

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5 Suggested Answers

  • 20 Answers

SOURCE: 2001 Jeep Grand Cherokee which fuse controls heated seats?

Fuse # 20, located in the Junction Block (interior, drivers side). This is a ten amp fuse.

CLICK_HERE

Read the information at the above site. The TSB (technical service bulletin) may be of interest to you.

Posted on Nov 20, 2008

  • 1 Answer

SOURCE: 2001 jeep grand cherokee no start, no cam signal or ASD control from pcm

IF YOU PULL OUT CAM SENSOR YOU HAVE TO PUT A TOOTH PICK IN THE TWO HOLES ON THE TOP AND THEN PUT IT BACK IN AND FACE IT TO THE BACK OF THE ENGINE.KING OF 4.0

Posted on May 15, 2009

  • 6982 Answers

SOURCE: jeep grand cherokee stalls after warming up

You need to check components again when the engine is hot and in no-start condition, otherwise, you will get bad info...obviously whichever part is doing this works fine cold. ones that react most to heat are crank pickup, ignition coil and the fuel pump.(bad ones get hot and bind up)

Posted on Jun 07, 2009

  • 6982 Answers

SOURCE: 94 jeep grand cherokee laredo v8 5.2l automatic.

You can check fluid level by removing the rubber plug in the cover. Fluid is full when on level ground, it is just at the edge of the hole (or very close) if you are already getting noises out of there, you can remove the cover and inspect gears for wear or breakage. If you find a large amount of metal debris in the lube it tells you something bad is going on back there. Although rebuildable, it's not a home job...requires exact settings in order to operate properly. You can find good units far cheaper than even a gearset costs in any scrapyard. to match ratio, count the teeth on the ring gear and the pinion gear. the replacement MUST have the exact same number. Before swapping diffs, check all back there to make sure noise is not from somewhere else.

Posted on Jun 20, 2009

  • 5363 Answers

SOURCE: 1998 jeep grand cherokee limited fog lights don't work.

This means you have a short. I am assuming you are talking about the fog light fuse. Does this fuse blow whether the fog lights are off? or just when turned on?

If the fuse blows when the switch is off the switch is bad too. If the fuses only blows when the switch is turned on you have a short in the wiring or bulb.

I don't know if you have test equipment so first I would say to remove both driving bulbs from their sockets and see if there is corrosion. Fix that problem if there is corrosion.

Then install a fuse without the bulbs and see if the fuse blows. If you have a test light you can bridge the fuse panel without putting a fuse in. If there is a connection you have a hot wire grounding. If there is no problem install one light, fuse or bridge the fuse holder and see if 1 light works. Try each side. This way you can isolate the problem. Then visibly inspect wiring.

Posted on Jul 04, 2009

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1 Answer

Have a 2004 jeep Cherokee that has a p1389 code in


gee 1, last year of Cherokee is 2001, so you meant Grand right??????
gee2, wont start or stalls, no other symptoms????? just 1 DTC, no others using a real scan tool? that be first huh?
Geewise 3, what engine, wow, wrong car, no engine or country.?

the FSM covers this, and the ASD has 8 ways to trip off line'
UP TO 8 ways , just like old wonder bread had.

answering for 2004 GC, (i actually look it up in the real book)
not google butchered DTCs.
P means power train, 1 means factory codes.
a 3 coin toss lands...
2004 GC, vin N, 4.7L v8 automatic,


it reads. verbatim.
Trouble Code: P1389
No Auto Shutdown Relay Output Voltage To PCM
Number of Trips to Set Code: 1
  • Catastrophicmonitor failure.
Trouble Code Conditions:
Engine cranking; and the PCM did not detect any voltage on the ASD Relay Output circuit to the PCM during the CCM test.
Possible Causes:
  1. ASD relay connector is damaged, loose or shorted
  2. ASD relay output circuit is open between the relay and PCM
  3. ASD relay power circuit is open (test power from Fused B+)
  4. ASD relay is damaged or has failed
  5. PCM has failed (nah)


it means, to me.
  • the relay is unplugged
  • or fuse blown "fused B+" (a top reason, world wide)
  • the relay is bad.

my buds ASD page,

http://www.fixkick.com/Jeeps/ASD.html

Oct 20, 2014 | Jeep Cherokee Cars & Trucks

1 Answer

Why 2001 grand cherokee burn fuse if timing is off?


fuses blow because of excess current draw (amps too high for the fuse) and that is from a short in the wire or unit that that fuse supply the current to. It has nothing to do with timing. However if the circuit for that fuse goes to a cam/crank position sensor or immobiliser then may be the problem unit/s

Sep 06, 2014 | 2001 Jeep Grand Cherokee

1 Answer

Why 2001 jeep grand cherokee keeps burning main fuse?


double posted
adds MAIN
so its in the engine bay fuse box called a PDC.
and is a main fuse but which one?
why not state the markings in the lid for this fuse, EXACTLY.
why not stated the AMP size. so we can help>???
there fuses 1 to 28 in the PDC.
the true main is a link.
fuse A11 link blows for alternator shorted. (or bad replacment service)
click wiring distrubtion2 here for wj jeep
http://www.jeep4x4center.com/knowledge-base/index.htm?utm_source=cj#service

the mains can blow for the following reasons.
swapping out the alternator or starter with out pulling the battery neg lug. (9 out of 10 times, or more)

2: bad alternator.
3: harness shorts.

we use a special cheap too to find this.
called and ammeter.
http://www.fixkick.com/tools/25100.jpg

see Master Duane do this.

https://www.youtube.com/watch?v=TZrCrBx4uFY


Sep 06, 2014 | 2001 Jeep Grand Cherokee

1 Answer

2000 Jeep Grand Cherokee codes p0132 p0141 p0152 p0161 Keep Coming Back


Then the problem, is not fixed and needs further diagnosis using special equipment..

May 31, 2013 | 2001 Jeep Grand Cherokee

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

1 Answer

Looking for location of fuse for radiator fan on


1999-2004 Jeep Grand Cherokee also called WJ; the fan relay fuse are located in the Power Distribution Center (underhood) cavity 10, 40 Amp.

e6001b2.jpg

More details can find in WJ Jeep Fuses

I really hope helped with this; remember rated this help. Good luck.

Nov 29, 2009 | 2001 Jeep Grand Cherokee

2 Answers

Blowing fuses jeep wont start


use a circuit breaker or paper clip with pliers so you do not burn yourself use paper clip as fuse unplug engine controll sensors 1 at a time and check if problem is gone after each one is unplugged an engine controll sensor is most likely shorting out if you have a map sensor try that first then move on to other components tps,fuel pump ect. till you find wich is fauly causeing short this should help you just be carefull with paperclip am saying to do this instead of blowing expensive fuses

Aug 25, 2009 | 1995 Jeep Grand Cherokee

2 Answers

96 jeep grand cherokee


If it is the fuse for major engine control electronics that is blowing (PCM, etc.) as soon after energizing, try disconnecting the O2 sensors. The 12V heater in the sensor could be shorting to ground.

Nov 17, 2008 | 1996 Jeep Grand Cherokee

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