The passenger fog light on my 91 164 wont work. They were both working fine then one day the right side just stopped. I changed the bulb twice and checked the manual to see if there were seperate fueses but I'm coming up empty. Does anyone out there have any idea why this is happening?
Thanks for your help,
Sometimes the contacts don't quite....err, contact or become corroded.
Only other possibility is a wiring fault. Bear with me as I don't know the position of the 164 lights but on a 155 the fogs are on the boot lid, there is a long rubber sleeve that links the boot to the body, containing the wires. The wires can harden and then crack with the movement. Just pull it out and check the wires.