SOURCE: 2003 Chevy Silverado AC blower only works on 5
Hi some of them are a pain ,but if your paitient you'll get it ,they are normally held in by 3 7/32nd bolts just remove the connector and remove the screws and it will come out ,if the floor insulation under your carpet gets in the way I usually carfully take a utility knife and cut out a small square to allow more room to pull it down and out ,depending on the placement of the resistor.
SOURCE: Unable to move air output
ur acuator doors are bad usually happens when battery goes bad or is unhooked google sparkys answers and theres how to and pictures thats how i fixed my 03 1500hd also until i found out how to fix id go to the fuse box under hood while truck was on and pull ac fuse wait 10 sec replace and it usually blow out front vents until i turned truck off if u recently had battery go bad or unhooked look at recalibration on sparkys answers its simple and might be all u need
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