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radiator fan not working


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MikeAltman
New User

Sep 17, 2020, 3:53 PM

Post #1 of 5 (211 views)
radiator fan not working Sign In

I have a 2006 chrysler pacifica. fans not working. replaced relay, checked fuse and checked fan motors.


(This post was edited by MikeAltman on Sep 17, 2020, 3:56 PM)


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Sep 17, 2020, 5:19 PM

Post #2 of 5 (200 views)
Re: radiator fan not working Sign In

Does the AC work? Do they come on with the AC?

Did you test the 40A fuse #13?

Are you saying that you applied power to the Dk Blu/Dk Grn wire and the fans came on?



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



(This post was edited by Hammer Time on Sep 17, 2020, 5:20 PM)


MikeAltman
New User

Sep 18, 2020, 6:51 AM

Post #3 of 5 (166 views)
Re: radiator fan not working Sign In

the a/c doesn't work. the fans do not come on when I turn the a/c on. I checked #13 fuse. I applied power directly to the high power fan and it worked. what else can I check?


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Sep 18, 2020, 7:02 AM

Post #4 of 5 (159 views)
Re: radiator fan not working Sign In

OK, without the AC working it's going to be hard to test this system because you are unable to prompt it to come on.

This is a fairly basic and simple one speed circuit so you must have tested something improperly or maybe you are just expecting this to come on at a time it isn't programmed to come on.

There is only one fuse and both fans power simultaneously. If you can access the relay wiring while plugged in and engine running, you can probably manually turn them on by powering the brown with violet wire at the relay.

If the fans come on then, you have nothing wrong with the circuit and it's just not being commanded on.





~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Tom Greenleaf
Ultimate Carjunky / Moderator
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Sep 18, 2020, 7:18 AM

Post #5 of 5 (156 views)
Re: radiator fan not working Sign In

Mike > post #2 by Hammer: ">
Are you saying that you applied power to the Dk Blu/Dk Grn wire and the fans came on? "<
Did you do that? That's up front more likely to fail would stop the show. Says "coolant temp" sensor is related if stressing cooling things you need more fan power A/C adds HEAT.
These mess me up BTW so look for where they put things in WRONG locations for the exposure they'll get,


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