Jeep Cherokee Forum - Auxiliary cooling fan ?

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Shadetree

11-01-2011 02:55 AM

Auxiliary cooling fan ?

My auxiliary cooling fan that comes on when idleing isn't working on my '88 4.0...What's the best way to locate the problem?...as always..Thanks..

freegdr

11-01-2011 05:13 AM

testing procedure herehttp://www.lunghd.com/Tech_Articles/..._Diagnosis.htm

Shadetree

11-06-2011 01:48 AM

Quote:

Originally Posted by freegdr (Post 1293342)

testing procedure herehttp://www.lunghd.com/Tech_Articles/..._Diagnosis.htm

Thanks. The test results tell me to replace the "fan diode assembly". To me, a schematic might as well be in Chinese. I'm good with pictures but I can't find a picture of what it looks like...The folks at Auto Zone say they've never heard of one. Your help is appreciated.

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