HELP -HVAC lights not working-

:banghead: yes i am bangin my head over thins. i have a 94 golf and the light that gives me the glow in my hvac switches is not working. i checked the bulb not blown i made sure the fuse was not out and the plug is connected firmly. if anyone can help with this it would be fantastic. when i bought the car a week ago i worked fine but now nothing.. thanks eric

Under the hood there is a combination relay box/control unit & fuse holder near the coolant reservoir tank. Unplug the connector from the underside & examine for signs of bluish corrosion seeping out of the unit. If so find a used unit.

Is this a typical thing to go or could i be wrong about the bulb being not blown. it does not look black or anything. i have installed a stereo in the car and before that it worked fine. when i put the stereo in it worked on and off then all together it does not work now.
thanks

It is very common for the bulb to go.

thanks so much what type of bulb is this and can i get it at say autozone?