Fog Lights Puzzled Electrical Troubleshooting for the Inquisitive

As the relay ages, its fog light relay wiring can develop issues like internal shorts that fuse part of the circuit in the closed position. More ... How to Test Fog Light Wires. Part of the series: How to Replace Fog Lights. Learn how to test your wires for fog lights with expert ... 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 ... Bulb would be my guess or maybe the positive plug on the wire is dirty or corroded. Image. ... 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 ... Yeh, sounds like the bad relay. I would recommend you to replace the fog light relay before going any further if that doesnt work you have a ... Trace the wiles back from the light houisings. There is either a broken wire or a loose/corroded ground connection for the lights. The same fuse in the ER box that powers the "fog light on" indicator is the same for the fog lights. Thus, if you had a short, it would clear ... Since you mentioned about a front end collision, it could be the front side markers or front parking lights. Either take the bulbs out and try ... 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 ...