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#1
10-03-2007, 08:13 AM
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Aux fan diag?
just changed to HOAT coolant and now trying to get the fan to work i crossed the wires up front on sensor with it in run position and nothing. I was wondering now which relay and/or which fuses do i need to check to see if it's got juice?
also on the sun roof which wires can i check in the back to see if it's getting juice? thanks 
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#4
10-03-2007, 07:25 PM
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The fuse for your fan is F12. The fan is controlled by a temp switch tha closes at 144 degrees F. The sun roof is fuse d, 16amp. the wiring is 2.5 BK to switch, 2.5 BU to motor, 2.5 Gr to motor and 2.5 BR to ground.
__________________
Dave 1983 300D Daily Driver 
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#5
10-03-2007, 08:31 PM
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Take the wire off the coolant switch and ground it that should start the fan spinning. You should hear the relay "click" when you ground the wire.
__________________
"I have no convictions ... I blow with the wind, and the prevailing wind happens to be from Vichy" Current Monika '74 450 SL BrownHilda '79 280SL FoxyCleopatra '99 Chevy Suburban Scarlett 2014 Jeep Cherokee Krystal 2004 Volvo S60 Gone '74 Jeep CJ5 '97 Jeep ZJ Laredo Rudolf ‘86 300SDL Bruno '81 300SD Fritzi '84 BMW '92 Subaru '96 Impala SS '71 Buick GS conv '67 GTO conv '63 Corvair conv '57 Nomad 
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