Fog Lights Extinguished A Deep Dive into Electrical Malfunctions

The left and right fog lamps are on separate circuits powered and controlled by the BCM. It is possible that your connector issue caused the BCM ... You might carefully inspect the wiring behind the lights themselves. There have been multiple reports of them rubbing and shorting out. There's something wrong in the wiring/switch/bulb. I'd check behind the fog lights first, and look for obvious exposed/chaffed wiring. Short circuit: a short circuit in the fog light wiring is one of the most frequent causes. This can happen if the wires are damaged, frayed, or in contact with ... ... fog lamp circuit isn't broken and shorting out somewhere along the way. I chased an electrical gremlin like this for a year with my dome light ... The reason for mounting the fuse close to the battery is; if the unprotected wire (NO FUSE) between the battery and fuse is shorted to ground ... When it was time to make the connection, I wanted to make sure which wire was power and ground, so we don't cause a short to the new bulb. He ... ... 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 ... If it's not the fuse it could be the relay or foglight switch control module. ... If that's doesn't work, you might have to replace your foglight ... Did you electrically verify, with an ohm meter or continuity tester, that the bulb is burned out, or open? :confused: Bobby... ['07 FSXT MODding ...