cooling fan on constant

madbrian

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any ideas ?? my 99 gts cooling fan is on constant . turn the ignition on and the fan runs. it has done this since i purchased it second hand 3 years ago. will this cause problems and how can i put it back the way it was designed. cheers
 

Steve-Indy

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Guess I'd try swapping out the low and high speed relays (same relay as starter)...all found in the small square box in front of the large fuse/relay box. Along the way I'd look for signs of re-wiring in case a previous owner lived in a hot climate and wanted fans on all or the time. If A/C is on, fans will be on as well.
 

Tom F&L GoR

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Guess I'd try swapping out the low and high speed relays (same relay as starter)...all found in the small square box in front of the large fuse/relay box. Along the way I'd look for signs of re-wiring in case a previous owner lived in a hot climate and wanted fans on all or the time. If A/C is on, fans will be on as well.


If A/C or Defrost is on, fans will be on...
 

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