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2013 Chevrolet Suburban
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BCM location on 2008 silverado

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Old June 26th, 2017, 5:44 PM
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Default BCM location on 2008 silverado

I have a 2008 Chevy Silverado Z71 Crew cab. I My ac just quit working the other day. The fan speed selector lights work but no ac or heat at all when you take it from low to high. I talked to a buddy of mine and he said that it sounds like the BCM. Where is the BCM located at on my Silverado????
Old June 26th, 2017, 6:58 PM
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unclear...so the blower does not work at all.... or just on high

if the blower doesnot work at all:
start the truck, turn the fan to high...hammer fist the blower motor...if it starts running...the blower motor is worn out.

if the blower only works on high; to check is the blower motor resistor

the bcm does not control the hvac system...rather the hvac control module.

Last edited by tech2; June 26th, 2017 at 7:00 PM.




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