Blown Fog Lights Illuminating the Causes Behind the Darkness

Trace the wiles back from the light houisings. There is either a broken wire or a loose/corroded ground connection for the lights. I looked to see if maybe there was a fuse out, but I couldn't find a fog light specific fuse in the fusebox under the hood. I tried to see if ... I had a light burn out on my truck, and I thought it was going to be a simple light change. I was wrong. Since these lights are low down on ... If the above test shows that voltage is present at the plug, check the bulb filament by jumping bulb connections to battery voltage and a ground ... The first case would be caused by insufficient voltage on the control pins (coil pins of the relay). You'll need to figure out a way to measure ... The short answer for this is that GM did not determine if the vehicle was going to get fog lights or not based on the fuse panels. Somewhere in the process I nicked a wire or something and shorted out the system and popped the fuse. So I remade all connections then ... ... 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 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 ... ... 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 ...