how to test wire troubleshoot GM headlight switch
ALL MY VIDEOS ARE IN 1080p HI DEF so check that out
this video is a bout the very common 4 function GM headlight switch that was around from about 67 - 88 ( im sure more years )
just going over how its wired, how to test it, how to take it apart, how to reassemble, and just other basic information
thanks for watching