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Old 06-20-2008, 02:25 PM   #1
hugging corners
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Fan...blown relay...sensor...overheating

the car was overheating for some time. today i have decided to pull thermostat out and have discovered this. relay has burned connectors. should i shortcut it to have fans running full power, or is it not recommended?.. what are the next steps. I am working on the car this moment at job parking lot, in order to make back home. I have also discovered that upon turning ac on not always fans kick in high speed...(i think low is working). i was considering radiator temp fan on/off sensor, but looking at this discovery that might not be an issue. please advice. thank you BArtos


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Old 06-21-2008, 01:44 AM   #2
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im having the same exact problem as well too. hopefully someone could answer this....
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Old 06-21-2008, 09:45 AM   #3
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I'm experiencing similar troubles. My low speed resistor doesn't look nearly as bad as yours though...



Here's the part #s for the resistor & plug. Hope it helps.

Low Speed Fan Resistor
F5RZ-8L603-AC

Wire pigtail for Fan Resistor
4U2Z-14S411-DA
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Old 06-21-2008, 11:38 AM   #4
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guys guys guys. thats a 40 dollar part. just go to ford and replace it. its called the fan assembly resistor pack. its a common trouble part that only lasts a few years.
i didnt need a pig tail. but mine went out after i turned my f0f0 into an amphibious assault vehicle. i still need to replace my horn though
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Old 06-22-2008, 12:30 AM   #5
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^^^haha, no horn sucks.
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Old 07-27-2008, 06:17 PM   #6
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Just took a drive up to northern wi from chicago with a lot of traffic jammed.. I had the same issue about four years ago, and I'm pretty sure it was the thermostat that went bad, not ever turning the fans on. Driving;fine.. idling;hot, stop-and-go with mostly stop;extra hot. Gotta get in there and investigate.
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Old 10-28-2008, 10:36 PM   #7
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bump. prob. solved
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Last edited by hugging corners; 10-29-2008 at 01:20 PM.
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