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Old 1st May 2017, 09:54   #4
T-Cut
This is my second home
 
Rover75 and Mreg Corsa.

Join Date: Nov 2006
Location: Sumweer onat mote o'dust (Sagin)
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Quote:
Originally Posted by Mike Trident View Post
I fitted a new gold resistor to the fan about 6 weeks ago and everything was fine until yesterday.
It suggests to me that the failure is associated with the recent work around the front end of the car. I think six weeks of normal operation would indicate the fan system was OK before the bumper stripdown. Anything that impares fan rotation will short out the circuit, so there's a strong possibility that the blades were not as clear/free as they might have been.

I wonder why the 80amp fusible link in the under bonnect fuse box didn't blow first? Isn't it supposed to prevent this? I've suggested before that this fuse is too big. To support the argument, I've replaced mine with a smaller fuse. My fan is now running perfectly well with a 40amp link despite 'calculations' suggesting the startup current needs the 80amp fuse. I'd suggest the fan wiring will ignite before an 80amp fuse gives in. To me, the size of the wiring looks more like 35-40amp.

TC
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