Fog Light Short Circuits A Guide to Identifying the Culprits

The fog lights use one fuse and relay for both lights. Since the relay and fuse are in the engine bay fuse box, fairly close to the lights themselves, your ... I think you most likely just have a burnt out bulb which is easy to replace from under the front of the truck. If you have a 12 volt test light ... All wires should be protected by fuses or circuit breaker to prevent wire fromcatching fire whould it short out. that is what fuses are for ... If the fuse is blown, I would swap it with like fuse and recheck the lights. Just me. If all the obvious have been covered, then you'll have to ... ... fog lights. What do you prefer? But the last step is to properly adjust our brighter headlights so everyone on the road is happy. How to diagnose and fix illumination, park lights, rear fog light and front fog lights which no longer work, using a wiring diagram or basic ... Touch P2 and have someone turn Fog on/off and see if you can feel it "click". If so, then the relay is good and either the bulbs burned out or ... Some people hook up their foglights directly into the POS of their driving lights. This is bad. Because the current and wiring that is going to ... Most likely the multi function switch has gone bad, very common. Pull the fog light relay to kill the fogs and go find a new switch. Someone ... Quite possibly water or chaffed/broken wire causing it,but it's a slow tedious process of elimination. Checking the wiring paths, you can try pulling the fuse ...