Hey everyone 1991 4.9, the headlight switch needs to be turned just right for the dash lights to come on, and when I turn it to the left to turn the dome light on the dome light doesn't work. Bulb is fairly new and doesn't look blown. Could it be my switch? And how hard are they to replace?

 

Yes, you have a bad rheostat. Replace the headlight switch and you'll be good to go.

 

Ok thanks man!