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sprinkles08
sprinkles08, ASE Certified Technician
Category: Chrysler
Satisfied Customers: 21601
Experience:  ASE Master & Advanced level certified, Chrysler Master Certified, Trans and Hybrid Specialist
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On my 2004 pt the cooling/condenser fan will only come on

Customer Question

On my 2004 pt the cooling/condenser fan will only come on when engine is running, is that the way it works
Submitted: 4 months ago.
Category: Chrysler
Customer: replied 4 months ago.
The fan stops working and the ac quits at times and then comes back on, seems like something is getting hot and shutting off.
Expert:  Tim Mohr replied 4 months ago.

Hi, my name is***** the condensor fan will only come on when the high side pressure in the ac system reaches a certain pressure, and will not come on without the engine running,Tim

Customer: replied 4 months ago.
I just "jump" the high pressure switch to check system?
Expert:  Tim Mohr replied 4 months ago.

you need a scanner to command the fan on, have you had a set of gauges on it, to read the high side pressure?

Customer: replied 4 months ago.
when the fan stops and the compressor still on pressure spikes. even blew relief on compressor once, but most of the time fan and compressor clutch looses power at the same time.
Expert:  Tim Mohr replied 4 months ago.

are you getting power to the fan, when it stops?

Customer: replied 4 months ago.
when it looses power there is no power in that circuit, not a matter of pcm shutting off ground to relays
Customer: replied 4 months ago.
no voltage in circuit for fans or compressor. and then after an hour or so the power comes back and everything works until it seems to get hot or something
Expert:  Tim Mohr replied 4 months ago.

This is going to tke alot of time to trace out, and I go off line in a few minutes, I will open this back up to other eperts and see if one of them can help you, hang tight,Tim

Customer: replied 4 months ago.
also I noticed the wires to the fan are hot enough you can't touch them.
Customer: replied 4 months ago.
but because the fuse did not blow I thought it was resistance in the connector at fan module. I changed the female connector hoping this would correct the heat in the wires but they still get very hot.
Customer: replied 4 months ago.
Tim don't leave me hanging.
Expert:  sprinkles08 replied 4 months ago.

Hello and welcome to JustAnswer!

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