high beam lights still work. dimmer switch may be bad
head light low beam stopped working. manual override did not work. bulbs o.k. on 2002 GMC Yukon Denali
2 answers 1 comment
check to see if you are getting power at the plug at the headlight if there is no power then you probably need a multifuction switch
Can I replace this part myself. I am not that mechanically inclined.
AGREE MULTIFUNCTION SWITCH ISSUE