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On 1990 corvette the fans do not come on but both do work when wired to battery how do you fix this?
Wiki User
∙ 16y ago
THE SECOND FAN IN FRONT OF THE RADIATOR DOES NOT COME ON UNLESS THE AC IS ON AND TEMP GETS PAST A CERTAIN POINT. IF THE ONE BEHIND THE RADIATOR IS NOT WORKING THEN I WOUND BE CONCERNED. AS LONG AS YOUR CAR IS NOT OVERHEATING WITH THE A/C ON THE YOU ARE COOL. THE SECOND FAN RARELY COMES ON IN MY VETTE.
HI, My name is Jeff
that guy didnt really answer your question so i will try and put what i think fourth...on my 1985 there is a relay for the primary fan and a relay for the aux fan...replace both and see if that solvs it...if not i have had a weird case with my car ware the aftermarket computer chip did something to the ecm so the fans didnt turn on as soon as i removed it and put the stock one back in and fired it up the fans were functional and turning on once the engine got to 180
Wiki User
∙ 16y ago
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