1994Gtmustang
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- Sep 29, 2022
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I understand is two fuses that control. Our cooling fans on a 94 through 1995 Ford Mustang GT I have power going to the 60 amp fuse but no power going to the 10amp fuse.
Everyone is absolutely correct the relays are in CCRM There’s also a 60 amp fuse, and a 10 amp fuse that works in conjunction with the CCRM this is the problem, at least for my car. Everything is new there is still no power going to the 10 amp fuse. I’ve traced everything down. The problem is the PCM the computer that one circuit board that controls the 10 amp fuse to send power to it, or to recognize power and grounding points is bad, so what I did was got rid of the factory fan took a fan out of a 2004 Ford mustang GT only ground in power. It sucks that I have to monitor the temperature by the switch inside my car now to cut the fan on but it is OK for now. It is not my daily driver .correct I mentioned the relays in the CCRM earlier. Relays are known to go bad after time.
Here is a view showing the 10 amp fuse is actually a power seat fuse. Not sure which is correct.
Do you have a problem with your fan?
Also check the connector which plugs into the fan motor. If it is shows signs of excessive heat, it correct
Ok but it doesn’t explain why the 10amp fuse has no power and yes the fuse is new both 60amp and 10 amp so what else powers the 10amp fuse because remember even at the coolant temp plug there’s no power eitherCoolant temp sensor is connected to the computer, not a power source. It has the same connection the other sensors have. The engine would likely not run if there was a problem with this circuit.
The coolant temperature sensor tells the computer the engine is running hot. The computer then tells the Constant Control Relay Module (body control module) to energize the relay which turns the cooling fan on.