08-07-19, 09:11 PM
The backup fuse is in the main fuse box on a 2003, and the main fuse is in the top of the starter relay next to the battery. Do you have 12v on the blue/black wire going to the 4 pin relay when the light switch is in the on position? and do you have 12v on the yellow wire going to the 5 pin relay when the high beam switch is on?