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2000 cherokee classic 4.0 auto e fan question?

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Old May 12, 2014 | 05:32 PM
  #16  
CCKen's Avatar
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Joined: Aug 2010
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From: Canton, MI
Year: 1999
Model: Cherokee
Engine: 4.0
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Originally Posted by Tony_SS
Thanks Ken,
So if I read that right, I can take #2 wire of the A/C high pressure switch, apply ground to that wire and the e-fan will come on. Does that sound right to you?
Give it a try.
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Old May 12, 2014 | 06:20 PM
  #17  
riftshighway's Avatar
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Joined: Jan 2012
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Model: Cherokee
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Originally Posted by djb383
Really??????........that's a band-aid at best and not really a good idea/suggestion for someone that's trying to diagnose a possible problem. Does your temp gauge tell u when coolant temp has reached 218F? Where is 218 on the gauge anyhow? Does your a/c have a pressure gauge to remind u to turn on the efan? to the fan switch idea unless u frequently drive off into high water.
Well, the way I see it, diagnosing and fixing the aux fan would be ideal.

But, if you can't fix it, hard wiring the fan is an alternative. My dash has an engine temperature gauge (that I pay attention to) so for someone who likes a little more control, having a switch on hand might be a good solution. And, since it's a permanent solution for me, I wouldn't describe it as a band-aid.
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Old May 12, 2014 | 08:37 PM
  #18  
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Joined: Nov 2009
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From: The Republic of TEXAS
Year: 1998
Model: Cherokee
Engine: 4.0L HO
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Originally Posted by riftshighway
Well, the way I see it, diagnosing and fixing the aux fan would be ideal.

But, if you can't fix it, hard wiring the fan is an alternative. My dash has an engine temperature gauge (that I pay attention to) so for someone who likes a little more control, having a switch on hand might be a good solution. And, since it's a permanent solution for me, I wouldn't describe it as a band-aid.
My bad.....to each his own. A/C pressure gauge as well?
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Old May 12, 2014 | 09:00 PM
  #19  
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From: Washington, MO
Year: 2000
Model: Cherokee
Engine: 4.0
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Originally Posted by CCKen
Give it a try.
Id rather someone else do that!

I don't want to be the guinea pig and fry my pcm.
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Old May 12, 2014 | 11:14 PM
  #20  
Aljay's Avatar
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Joined: Nov 2012
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From: Tx
Year: 2001
Model: Cherokee
Engine: I-6
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Originally Posted by Tony_SS
Id rather someone else do that!

I don't want to be the guinea pig and fry my pcm.
I did the manual over ride only to use off road .
There is a write up on it .
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