Quote:
Originally Posted by earlr85944
with the key out of the car, spin each fan by hand, maybe seized or sticking from storage
if one is tight , take it from there, if not bench test them and work your way back thru the wiring, fues, relay etc
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+1
Pretty common for these old fan motors to fail. I found one of mine was obviously bad just by spinning by hand. I just took it out and have been running on one fan for several years (it's not very hot here, I recently bought a pair of the newer style as replacements).
Somewhere (this winter) I saw a writeup on taking the fan motor apart to attempt a repair.