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Body control modual

R

RM686

New member
DOES ANYONE KNOW IF THE BLOWER MOTOR FOR HEATING & AIR CONDITIONING runs through the BCM. I have a problem where the blower works intermittly. All parts haved been changed motor resistor blower motor speed switch so all of the actual parts are fine. I brought it to an electrical place and they said only if the blower is not working can they find the problem. At least they did not charge me anything. The car is a 1999 Grand Prix GT. 208,000 miles. Every thing else works fine. No wiring seems to be lose or broken.
 


I don't know off hand if it does or doesn't. Your best bet is to call the dealer and see if they can still pull up a wiring diagram for you on the blower motor circuit.

I have a spare BCM from my '99 GPGT if you want to try it, I can sell to you cheap. Its actually a new one. I plugged it in once because I was having issues with the interior lights staying on. Didn't fix it so I put the old one back. PM me if your interested
 
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