Question about 1989 Jeep Cherokee

2 Answers

Where is the fuel pump relay and fuse on a 89 jeep Cherokee? I had the pump replaced six months ago but now I don't hear it come on any more and it wont crank. I just did a tuneup on it and it ran fine for about a week and somethings draining the battery.

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  • Jeep Expert
  • 389 Answers

The fuel pump relay is under the hood passenger side on top of wheel well behind the battery.the fuse is in the fuse block under the dash drivers side near the kick panel.as for the battery,mine was draining at 1 time turned out to be the door switches for the dome lights,so i ran a bypass to a toggle switch to the fuse block(also controls the radio and clock)in the fuse block.

Posted on Nov 05, 2013

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  • Jeep Master
  • 3,187 Answers

The relay is in the small fuse box in the engine bay. relays can burn out and lock up in power flow. if this has happened it can also burn out the pump as there is no fuel being moved as the fuel line is cut of by the valve when engine is not running.

Posted on Oct 15, 2013

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Posted on Jan 02, 2017

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SOURCE: 1997 Jeep Grand Cherokee cranks but won't start

Same thing happened to me at about 140k. It was the fuel pump. Best way to test if your pump is failing and loosing pressure is to see if the car will start immediately after it has been running, or turn the key to the alt position for a few minutes before starting. If your engine fires faster after it has been running or the key has been in the alt position you will probably need a new fuel pump. Great news is with a very deep socket to get the tank straps off its a 30 minute job to replace the pump/filter assembly.

Posted on Dec 29, 2008

  • 1 Answer

SOURCE: 1989 Jeep Cherokee - Electrical Problem - horn, brake lights, blinkers, radio/cd...

I think I have found the problem. When I wiggle the ignition switch the turn signals and radio go on and off so I feel the issue is in the ignition switch. From what I understand the actual electronics for the switch are at the base of the sterring column behind the lower dash panel and is connected by a rod that may need adjusting.

Posted on Jan 04, 2009

  • 1 Answer

SOURCE: 1993 Jeep Grand Cherokee Fuel Pump?

Between 100-140 thousand miles the fuel pumps go out on the 1993 cherokee. Its a fact. All parts are manufactured with the knowledge that it will last for a specific period of time then it dies. The relay switch was helpful for a brief while because there was still some juice in that pump, but now that it is gone it is gone.

If you don't see the fuse box under the dash in the driver leg area or beneath the radio check for a covered box under the hood. There should be a fuse spec guide on the lid of the box that tells you where specific wattage should go and for what purpose. But, your fuel pump problem will not be solved by a new fuse.

Posted on May 25, 2009

  • 323 Answers

SOURCE: 89 Jeep Comanche Fuel Pump. Won't start after running great.

Replace the crankshaft position sensor

Posted on Jun 17, 2009

  • 10 Answers

SOURCE: 2007 Jeep Wrangler Unlimited Crank-No Start. Replaced FP.

Hey Tim take a look at this, will this help ?
SUBJECT:
No Engine Crank Or No Engine Start Due To Electronic Lockup Of The WCM / SKREEM
OVERVIEW:
This bulletin involves the replacement of the Wireless Control Module (WCM), and if
equipped, the replacement of the Electric Steering Column Lock (ELV). The WCM is also
referred to as the Sentry Key Remote Entry Module (SKREEM).
MODELS:
2007
SYMPTOM/CONDITION:
The customer will experience a no engine crank AND a no engine start condition. Also, the
remote keyless entry (RKE) system will not operate. This condition may be due to an
electrostatic discharge (ESD) from the ignition key into the Wireless Control Module
(WCM), causing the WCM to electronically lockup. This condition may occur more
frequently in dry and/or cold weather conditions where a sufficient electrostatic charge is
more easily produced. This condition is corrected by the replacement of the WCM
DIAGNOSIS:
1. With the condition present (i.e. the vehicle in the no crank / no start condition), connect
the StarSCAN® scan tool to the vehicle.
2. Turn the ignition switch to the “ON” position, and power up the StarSCAN®.
3. If the WCM is electronically locked up, the StarSCAN® will display the WCM as being
“off bus”.
4. If the no crank / no start condition is present, and the WCM is “off bus”, then reset the
WCM by temporarily removing the IOD fuse (with the key out of the ignition switch),
wait for 10 seconds and then reinstall the IOD fuse.
5. With the IOD fuse reset having been performed, verify that the vehicle will now crank,
start, and run.
6. If the condition is temporarily corrected by performing the above steps, and if the part
number of the WCM is earlier than the part number of the WCM listed in the part
reference table in the Service Bulletin Parts Required Section below, then perform the
Repair Procedure.

Posted on Jun 24, 2009

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Related Questions:

1 Answer

Why can't I hear the fuel pump?


on many cars , you need to crank it.
some have the prime key on for 3 seconds.
on jeeps.
check fuses first
check the ASD relay, if it dont energize the pump relay will be dead.
ASD >>> Fuelpump relay.

on jeeps, the ASD drops after 3 seconds, if the PCM sees errors.
http://www.fixkick.com/Jeeps/ASD.html

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what motor? is the coil producing spark?? If so, check the fuel pressure, if the fuel pressure is low drop the tank, repace the pump and also replace the filter (located on the frame forward of the tank). If the coil is not producing spark, check for shorts or opens in the circuits as well as the IGN fuses. If there is NO fuel pressure at all check the fuel pump fuses and make sure the fuel pump is plugged in and there are no opens in the circuit

Apr 07, 2012 | 1989 Jeep Cherokee

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Look at fuses and fuel pump relay in by fuses Remove relay from another area and put it in to try it

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My truck wont start. I changed the battery and fuel pump. what could be the problem


Check your fuel pump relay in the fuse box under the hood located next to your battery. same thing happened to my 98 grand Cherokee. if you turn on the key and you don't hear your fuel pump then the relay is bad and needs replacing.

Dec 11, 2010 | 1998 Jeep Grand Cherokee

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No power to fuel pump on 1989 jeep cherokee what is the proper sequence to follow checking electrical?


there is a fuelpump relay in the engine compartment
along with three or four other relays find the one that says fuelpump and replace it (chysler - dodge - jeep - plymouth all use the same relay and thy all blow out the cost is about 15.00 dollars at autozone
of you don' t get the pump to come on check the pigtail back by the tank if still no power the pump
replace the ignition switch for that turns on the relay under the hood

Feb 26, 2010 | 1989 Jeep Cherokee

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1993 Jeep Grand Cherokee Fuel Pump?


I don't remember seeing any fuses for that on the one I have...It's dark out now and I don't have a light that is working out there. I;ll look tomorrow but like I said, don't remember seeing one, and I've been through that system hundreds of times. Only two palces it would be is in the power dis center near the battery or in the under-dash block. If the relay failed before, it was likely because the pump draw was too high, so youre on the right track.

Apr 04, 2009 | 1993 Jeep Grand Cherokee

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Fuel pump problem on a 89 jeep cherokee (v6, 4.0)


go to the gas station and get more gas...

Jul 29, 2008 | 1989 Jeep Cherokee

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Finding the relay for electric fan on '89 jeep cherokee laredo 4.0


It is on the driver fender near air filter housing. Also next to the fuel pump ballast resistor. It is the white 3 inch long piece of ceramic on the fender with eletricial connectors on each end.

Jul 29, 2008 | 1989 Jeep Cherokee

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