Rear hvac not working

[BPB]

04 Yukon slt. Rear blower isn't working. When I hit the power button it says "off" even when the front nob is in the "aux" position. Also when I turn the nob in the front the blower doesn't work. I'm thinking that it is the front overhead controls that aren't working, but I don't want to just throw parts at it. Any suggestions?

 

[magicbus]

check your blower motor(remove and test with a battery), they are notorious for going out. If the blower motor works, check the blower motor control module. If both work then you know there is a problem between the controls. More than likely its the motor or control module. Bing is a great help with this as well.

 

[BPB]

Bing?