Stock Fog Light Issue -
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Unread 02-19-2013, 02:37 AM   #1
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2005 TJ Wrangler 
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Stock Fog Light Issue


I am having issues with my stock 2005 TJ fog lights. They just stopped working one day, I pulled the tab out and they didnít come on. I checked the fuses underneath the hood; I even replaced the fog relay as well but to no avail. I donít have anything to check the engine codes. I wanted to see if anyone else had the same issue before I move to the next step of replacing the switch itself. Thank you for any help you can give me.

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Unread 02-19-2013, 06:27 AM   #2
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Did you check the connection upfront behind the actual fog lights? Maybe one of them lost it's ground.
Prior to this happening, did you go into the mud or cross some sort of water?
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Unread 02-19-2013, 06:00 PM   #3
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Before throwing parts at it, get a 12-volt test light and check the circuit for power. Start at the connectors at the lamps and see if power is getting up there. If not, work your way back through the relay and the fuse to see where the circuit is interrupted.
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Unread 02-19-2013, 06:05 PM   #4
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Pull the cover off the steering column and make sure the multi switch isn't starting to show signs of getting hot.
It's better to be dead and cool than alive and uncool.
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Unread 02-19-2013, 06:34 PM   #5
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The fog lights will not throw a code, however, you can check the engine codes by turning the ignition on off on off on quickly. Do not start it. Codes will display in the odo.

As stated above check for votage working your way back to the switch.

The Multi-function Switch (MFS) is a known problem child, so it is most likely your problem. If it turns out to be your MFS, you can either buy a new one, or you can install on old style fog light switch in the dash.
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Unread 03-21-2013, 01:42 AM   #6
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my apologies for the slow response, work has kept me way to busy to get a look the suggestions posted. I'm finally getting some time off this weekend so I will be trying the all suggestions that you all have been nice enough to post. Thank you all very much.
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