Question about 2004 Jeep Grand Cherokee

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Replace radiator fan relay 2007 jeep cherokee

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: 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.

Posted on Jul 30, 2008

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emissionwiz
  • 76164 Answers

SOURCE: 2001 Jeep Grand Cherokee- fan that sits closest to radiator

Have you tested the fan sending unit on the engine? disconnect that and if the fan runs (Key on) that is most likely the problem.

Posted on Oct 17, 2008

  • 2 Answers

SOURCE: i got a 99 jeep

It's behind the passenger headlight.Need to take off grill,bumper fascia to get access to it.Mine took about an hour alltogether.

Posted on Oct 28, 2008

freetek
  • 5568 Answers

SOURCE: radiator fan not working replaced relay,temp

You didn’t mention replacing the temperature sensor located on the block in the path of the ‘cooled’ coolant.
I can’t tell you any closer where to look for it since you didn’t specify which engine you have.
This device is a solid state item called a thermistor.
With the air temperature around 77 degrees F and a 'cold' engine, it should measure about 10,000 Ohms and hot, around 1,200 Ohms while disconnected from its mating connector.
With the ignition on, and the connector disconnected from the sensor, you should measure about 5 volts coming from the ECU.
If this has failed, the ECU is not getting the right info back from the sensor and doesn’t know if the fan is needed or not.
 

Posted on May 26, 2009

motor1258
  • 6674 Answers

SOURCE: where is the radiator fan relay switch on a 2002

check under hood in fuse relay box. Map should be underside of cover.

Posted on Aug 27, 2009

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1 Answer

Radiator fan relay


Under hood most likely

Sep 06, 2014 | 2007 Jeep Grand Cherokee

1 Answer

1999 Jeep Cherokee Sport wont shift into overdrive P1491


P1491 - Radiator Fan Control Relay Circuit Open Or Shorted

When monitored: with the ignition key on, battery voltage greater than 10.0 volts and
the pcm requests the radiator fan to be turned on.
Set condition: an open or shorted circuit is detected in the radiator fan relay control
circuit.

Possible causes
radiator fan ctrl rly circuit wire harn intermittent defect
radiator fan ctrl rly circuit wire harn observable defect
radiator fan relay ground circuit open
rad fan relay control circuit open
radiator fan relay control circuit short to ground
rad fan control relay defective
pcm defective

Check ot and keep us updared.

Oct 15, 2011 | 1999 Jeep Cherokee

1 Answer

2000 jeep grand cherokee is overheating, replaced the radiator, face works, water pump seems to be working, replaced the fan relay. thinking of replacing the thermostat and wondering what it could be if...


If the fans don't come on to cool the radiator then maybe it's the thermal fan switch, which sends the turn on signal to the fan relay, that might be bad.

Nov 22, 2010 | 2000 Jeep Grand Cherokee

2 Answers

2002 jeep grand cherokee larado is over heating. The cooling fanonly runs if I hotwire it. I changed th thermostat. Temp gauge is reading . Could it be the cooling fan relay if so where is it located. The...


Fan relay is located under pass headlight. Remove light assembly, use 2 1/2 " hole saw to drill hole in plastic housing ,3"from back wall, 3'' from left side.This will put you right over relay. Unscrew two bolts,replace. Relay was $40.... dealer wanted$350 to remove front bumper to replace it.

Sep 02, 2010 | 2002 Jeep Grand Cherokee

2 Answers

2004 jeep grand cherokee overheating


check the thermostat or your radiator might be stopped up

Apr 14, 2010 | 2004 Jeep Grand Cherokee

1 Answer

02 jeep grand cherokee not running when temp gets high. replaced radiator fan relay


If it's still getting too hot (above 210F) check the radiator for internal plugging and externally for obstructions (leaves etc between radiator and A/C condenser, condenser plugged with bugs etc) If radiator takes a long time to fill generally it is internally obstructed. You replaced the relay...is electric fan coming on now? is clutch fan working? Is aux fan working with A/C? Any external leaks? any steam from tailpipe? You have a bunch more to look at!!!
Good luck
Problem with anything while testing, just ask!!

Oct 10, 2009 | 2002 Jeep Grand Cherokee

2 Answers

Coolant leaking replace every three days coolant fan wont stop ru


This link has a diagram showing the location of the relay: http://autorepair.about.com/library/faqs/bl581g.htm

The Pulse Width Modulated (PWM) radiator cooling fan relay is located behind the front bumper fascia below the right head lamp.

Sep 08, 2009 | 2000 Jeep Grand Cherokee

2 Answers

2003 jeep grand cherokee radiator fan doesn't turn on


Disconnect the fan plug and hot wire it to the battery if the fan dosen't run, replace it. Otherwise, check the relay. The system operates by the temp sender sending a signal to the computer that activates the relay that turns the fan on. Fan should also come on with A/C.

Jun 28, 2009 | 2003 Jeep Grand Cherokee

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