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| 2003 Audi A4 Cooling Fan Diagram |
I have problems with my 2003 Audi A4. Is there a fuse that runs a sensor that will cause the cooling fans to come on when the engine coolant reaches a certain temperature? Does anyone have a fuse diagram for a 2003 Audi A4?
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| 2003 Audi A4 Cooling Fan |
Answer: I own a shop, and the best thing you could do is go to the parts store, and order a “Haynes Repair Manual” for your vehicle, or you could go to the library, and get the information out of a “Chilton’s Repair Manual” for free.
There is a temperature sensor that sends a signal to the relay to start the fan/fans when it reaches the proper temperature. You can test the system by hooking a direct hot wire from the battery to the fans, and if they come on, then you either have a bad sensor, relay, or a bad connections somewhere. The system has a fuse located in the main fuse box. You will have to see your owners manual for its location, or do like I suggested, and look at a repair manual for the location, and a diagram of how its all wired up.
Glad to help out, Good Luck
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