Fog Lights Perplexing Illuminating the Electrical Mystery

short to ground is when a power wire makes contact with bare metal or a ground. since there's no resistance from a component like a light bulb, ... 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 ... In line with the above, fogs would put a huge extra load and strain on the low beam circuit and not only blow a fuse but mess up the buss at ... It appears that the lights themselves as well as the light in the switch are all powered from fuse 3 under the hood so I would check that out ... ... fog lights for over two years. Then the left light went out. I replaced it and a day later it was out again. Turns out the connector had melted and was shorting ... ... fog lights. What do you prefer? But the last step is to properly adjust our brighter headlights so everyone on the road is happy. Condensation could cause a short circuit and cause a fuse to blow but thats pretty rare. The fuse would blow (even a higher amp one) before the ... ... fog lamp and tail lamp fuses). So i put a new large headlight fuse in and it worked for a 30 minute drive him and all morning but tonight ... 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 ... Did you check all your wires again to make sure you have good connections and nothing shorting out ? Sounds like it's kicking a breaker or ...