1994 BUICK FAN STAYS ON AFTER SHOOTING OFF THE

  • Tiny
  • Scruffy123
  • 1994 BUICK

Air Conditioning problem
1994 Other Buick Models V8 Automatic 144000 miles

After shutting the car off the air conditioning fan keeps going even after taking the key is out of the ignition. Is this part of a computer problem.

Thank you

Larry George

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Sunday, July 11th, 2010 AT 1:09 AM

1 Reply

  • Tiny
  • Internetmechanic
  • MEMBER

Your talking the blower motor? I'm not sure of model or litre size of engine, I looked at info for a buick century. Maybe a problem with blower relay? Voltage to the load side of relay is hot all the time, as long as the relay isn't energized, nothing happens. Voltage to the coil side of relay comes from the htr/ac fuse, through the hvac controls. Also, check the htr/ac fuse, that fuse circuit should not be hot, voltage, with key off.

Thanks for the donation.

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Sunday, July 11th, 2010 AT 8:00 AM

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