I am just about to pull what little hair I have left out! I have a 03 F250 that I really enjoy but this winter i have noticed my factory fog lights are not working. I have checked the relateded fuses replaced the bulbs and even bypassed the non-serviceable relay in the fuse box, I have power at the switch but no power at the fog lights! Any suggestions would be greatly appreciated! Thank you in advance!!

 

check and see if you have power at the plug. if you don't then there is a break in the line or a fuse inline blowed or replay tripped.if you do have power then it's the ground check your connections to see if you have a solid ground.