Chosen Solution
Everything was working fine. Shut the car off and came back the next morning and fan speeds 1 thru 3 wouldn’t work for the a/c. Speed 4 would. Is it the switch? A relay or a fuse somewhere? 2003 MK4 Jetta ALH TIA
Hi, Check if the blower motor resistor is OK. Here’s a video that may be of some help.
