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e-fan problems

This is a discussion on e-fan problems within the 4.6 Tech forums, part of the 4.6L Mustang category; I recently had a problem with my stang, as it overheated & I found out that my fan was not ...

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Old 10-14-07, 12:38 AM
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e-fan problems

I recently had a problem with my stang, as it overheated & I found out that my fan was not working or turning on. I changed a bad MAXI fuse and ordered a new fan assembly. Come to find out, I still have no power at my connector to the fan.

What could be the problem? I waited for my engine to get a bit warm, but there is no signal getting through the connector (I tested it with a light tester). Even with the new assembly, and a new Maxi fuse, I can't get power. I have checked and there are no visual breaks in the wiring (runs inside the fender and firewall).

Anyone have any suggestions?
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Old 10-14-07, 06:57 PM
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Join Date: August 2007
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Quote:
Originally Posted by nl mex View Post
I recently had a problem with my stang, as it overheated & I found out that my fan was not working or turning on. I changed a bad MAXI fuse and ordered a new fan assembly. Come to find out, I still have no power at my connector to the fan.

What could be the problem? I waited for my engine to get a bit warm, but there is no signal getting through the connector (I tested it with a light tester). Even with the new assembly, and a new Maxi fuse, I can't get power. I have checked and there are no visual breaks in the wiring (runs inside the fender and firewall).

Anyone have any suggestions?
I think the relay for the fan is in the "Constant Control relay module" (CCRM). It's in the right front fenderwell. You have to remove the plastic wheelwell liner to get at it. It has several relays, including the fuel pump, the A/C clutch, and the fan relays. They are not individually replacable, the entire device has to be replaced.

Before spending over a hundred bucks on the park, a good Haynes manual gives the wiring diagram so you can verify that the contacts in the relay are fried... If they are, you replace the whole thing.
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Old 10-14-07, 07:48 PM
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Join Date: March 2003
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If you aren't getting power then my guess is the CCRM also. PM me if you need one. I have a used one for cheap.
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