Fog Light Failure Troubleshooting the Electrical Gremlins

If not, then you have a shorted out fog light wire against the brakelight wiring. All of this can be traced down with a test light. ... fog lights help light up the side of the road while the lightbar projects outwards.) Long story short the relay didn't work so I took it out ... It must be a relay or some wiring creating a short circuit, i had it happen at a car wash when the guy decided to wash the engine bay and set ... 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 ... It should be to a switch. On the relay, is there a wire going to the battery? You'll need to look for a wiring diagram on the relay to find out ... If it is and the fuse is not blown, turn the fog lamp switch ON and check for +12v power at any fog lamps connector terminal "A". If there is no ... If the fuse pops when the switch is activated then its a short at either the wire to the left or right fog, or the wiring to the fog light ... Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here - Factory Fog Lights Shorted Out Light Harness - I was going home today and when I hit a ... 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 ... Trace the wiles back from the light houisings. There is either a broken wire or a loose/corroded ground connection for the lights.