Question about 1997 Jeep Grand Cherokee

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KEEPS BLOWING ASD FUSE - 1997 Jeep Grand Cherokee

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: 1996 Jeep Grand Cherokee...Blowing ASD fuse

My daughters jeep had the same problem. We fixed by finding the wires that run beside the manifold down under the car. The conduit that have the wires in it was worn away because of resting up against the manifold, causing the wires to short the system out. Once I replaced the conduit and taped the wires it has not shorted out again. By the way, the Jeep dealer couldn't find the problem.

Posted on Feb 24, 2009

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SOURCE: 98 grand cherokee asd relay blowing fuse

The fuse it doing it's job, you have a short ( Wire that is connected to a ground, that draws too much power )

If you have an electrical schematic ( Repair manual ) find out which wires are connected to that fuse and check them for any chaffing, cuts, unnesassary twists, or corrosion.

If you have a ohm-meter, isolate the system ( by disconnecting the fuse, and other connections. Then check for any resistance on wires that should not be connected ( because you disconnected them ) by having one Lead on the wire's connector and the other meter-lead on your car's frame. A good wire will not have continuity if it is isolated.

Posted on Apr 10, 2010

jturcotte
  • 8274 Answers

SOURCE: i have a 97 grand

Hi, the asd relay powers a lot of things. You may have to unhook some stuff to figure out what is causing the problem. Is your engine light on? I think the O2 sensor heaters are on that fuse but they should throw a trouble code, as the PCM monitors that current. You could unhook the EVAP leak detection pump--I think it's in the rear bumper on driver's side. The injectors are on the fuse as well as the alternator stator current. Perhaps you could disconnect the pump, O2 sensors, and the alternator (just the connector--not the charge wire). Then start the car and hook stuff back one at a time until the fuse blows. Make sense? Let me know if you have questions and thanks for using FixYa.

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Posted on Jan 08, 2011

cansmo
  • 2431 Answers

SOURCE: my 2002 jeeep cherokee 2.7

For the ASD fuse to go out the short will be a wire wick problem, The ASD fuse and the nearest ground is the Oxygen heater ground, it in the wire harness and its touching .I am telling you this because obviously you ll have to get it repaired and I want you to know were the problem will reside at,so this way when you go to a shop your armed and they will know that you know your stuff. And your repair will be a sucess

Posted on Apr 27, 2011

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1 Answer

The 25 amp ASD fuse keeps blowing when i try to start myTown & ountry 2001


In that case you have a dead short somewhere. This suggests replacing the ASD relay, and there is a neat trick using a bulb instead of a fuse to track the problem.

https://www.2carpros.com/questions/2001-dodge-caravan-asd-fuse

And 'Chrysler Tech' here has good advice as to what is causing it.
http://www.chryslerforum.com/forum/chrysler-pacifica-15/asd-fuse-blowing-right-away-help-23819/

25 amp ASD fuse Google Search

Jan 25, 2017 | Cars & Trucks

1 Answer

2004 pt cruiser keeps blowing fuel pump fuse,replaced fuel pump, no change.runs rough at idle and stalls,blows fp fuse,also replaced ign.coil,plug wires and plugs also changed relays


There are two fuses for the fuel pump relay. One fuse is load side of relay, that fuse also sends voltage to load side of asd relay, the asd relay sends voltage to several systems, two of which are the fuel injectors and ignition coil. I'm not telling you to replace, anything, but, you need to do some testing.
The other fuse goes to control side of relay, smaller amp fuse. I don't know the amp rating of the fuse that keeps blowing.
See that fuse, it supplies voltage to load side of fuel pump relay and also to asd relay.
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Oct 22, 2016 | 2004 Chrysler PT Cruiser

1 Answer

Why asd fuse keeps blown


You have a Chrysler , dodge , or Plymouth ? ASD Fuse supplies power to ASD relay ,if you have a Dodge , Chrysler or Plymouth vehicle . You have a short to ground , videos on you tube , how to find a electrical short ! ASD - auto shut down , this powers Ignition system , fuel injectors , O2 sensors . A short in any one of these systems will blow the fuse . O2 sensor wires get melted on exhaust pipes an manifolds ! That is if you have one of these make vehicles !

Sep 28, 2016 | Cars & Trucks

2 Answers

My 25 amp fuse for the asd keeps blowing on my 2001 town & country


The ASD powers the ignition coil, 6 injectors, two heated o2 sensors, and the alternator field. I wold unplug all but the o2 sensors and see if the fuse blows. If not blown plug things back in until it blows. If this doesn't fix it I can give you more steps.

Feb 25, 2015 | 2001 Chrysler Town & Country

2 Answers

How to repair engine wiring harness; asd fuse blows asap everytime


Google this asd problem, there is a lot of information on this problem. I would look for a short but would not want to remove the complete harness.. If you do this take pictures of the harness and all connections before you start.

May 18, 2014 | 2004 Chrysler Pacifica

1 Answer

I have a 02 grand caravan, there is a fuse call asd keeps on blowing


This fuse is the Automatic Shut Down fuse. If you are blowing this fuse you are pulling too much current on the critical engine circuit that it is protecting. This is many times caused by a short circuit in the wiring harness. This can be time consuming and difficult to track down.

Dec 06, 2013 | Cars & Trucks

1 Answer

My 2002 jeeep cherokee 2.7 crd auto keeps blowing asd fuse and fuel cut off fuse happens while driving and engine will not crank afterwards


For the ASD fuse to go out the short will be a wire wick problem, The ASD fuse and the nearest ground is the Oxygen heater ground, it in the wire harness and its touching .I am telling you this because obviously you ll have to get it repaired and I want you to know were the problem will reside at,so this way when you go to a shop your armed and they will know that you know your stuff. And your repair will be a sucess

Apr 27, 2011 | Jeep Cherokee Cars & Trucks

1 Answer

20 Amp FP/ASD Fuse #21 keeps blowing.


hmm. lt look like there are poor joints in your wiring specially the groung wire. check the diagram of your auto. check the unit diagram for which the fuse blows. usually the fuse blow when there is a short circuit. if you look around you will find it.
good luck
ehsan.

Jan 20, 2009 | 2002 Dodge Neon

1 Answer

2002 Dodge Neon 20 amp FP/ASD fuse #21 keeps blowing


It appears that it is part of the fuel pump circuit, so I would concentrate on wiring harness & connector at fuel pump, clean it real good, and apply dielectric grease to the connection, as well as the fuel pump relay, connector & harness.

Jan 20, 2009 | 2000 Chevrolet Venture

1 Answer

Blowing fuse


You have a short circuit somewhere... I had the same problem. Look for a uncovered wire

Aug 09, 2008 | 2000 Dodge Stratus

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