One of My Cooling Fans for 1996 Buick Regal Not Working

Fans don't work

Asked past Guru3TYK May 21, 2022 at 11:59 PM about the 1990 Buick Majestic

Question type: Maintenance & Repair

Where is temp swich
on90 Buick royal 3.1

1 Answer

The ECM controls the fans, if you are favorable IT could be as simple as a relay. I would start by checking both fans...at the sparking plug jump 12v and verify that the fans puzzle out. So find the relay box (in all probability under the hood) and there should cost a layout of the relays on the underside of the cover. By shift relays, you can find the bad one....... I am attaching the rooter schematic from 1990 Reatta/Riviera and yours should be similar. The ECM turns on different relays starting with the one on the locomotive side of the radiator, so when you turn on the A/C the one before of the radiator turns on...at this clock both are operative at 1/2 speed...if the water temp goes all over the planned (about 230), some fans go to orotund upper until the coolant temp drops.

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One of My Cooling Fans for 1996 Buick Regal Not Working

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