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Old 11-18-2012, 05:39 PM   #1
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Whats this plug for?

[/IMG]

I want to install some factory fog lights and was wondering if this plug is for lights. However my jeep does not have a fog light switch.

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Old 11-18-2012, 06:49 PM   #2
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Looks like the fog light connection. The piece you spin to turn on your headlights pulls out also and that turns on your fog lights.

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Old 11-18-2012, 10:18 PM   #3
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Thanks but the knob does not seem to pull out. Also it does not have the fog light symbol on the knob.
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Old 11-18-2012, 10:53 PM   #4
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If you want the factory switch, you'll have to replace the whole multi-function switch assembly.

You can wire them in on the switch panel in the center stack with a switch made for the older TJs that had the fog switch there. You probably have a blank spot or two there.
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Old 11-18-2012, 11:00 PM   #5
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Is there any way i can use the factory wiring but still wire it into the switch panel?
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Old 11-19-2012, 09:15 AM   #6
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I'm not sure.

Try searching the forums, I'm sure someone has done this.

My '92 was wired up behind the dash, but did not have the under hood wiring.

This site has the shop manuals online, may help you to figure out what wiring is already there: Jeep Knowledge Base

Factory fog kit: MOPAR 82208017 - MOPAR® Production Fog Lamp Kit for 03-06 Jeep® Wrangler TJ & Unlimited - Quadratec
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Old 11-19-2012, 09:28 AM   #7
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If that plug is below the driver's side headlight, it is not the fog light connector. Went out and looked at my '06, I have the same plug laying there and I have factory fogs.

I believe it is for the temperature sensor for the mirror.

The factory fog lights are nothing more than Hella 500s in a Jeep housing, BTW.
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Old 11-19-2012, 10:23 AM   #8
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I've been studying the 2003 Wrangler wiring diagram for days now since I'm looking to use as much of the stock wiring as possible to add fogs to my 2003 X which is only partially pre-wired for fogs. I'm probably going to be adding some Hella 500ff's on Wed. or Fri. this week.

Quote:
Originally Posted by jkp View Post
That plug is for the Temperature sensor that would be on the rear view mirror.
is correct.

The factory fog light plugs are under the fender well in the same harness that feeds the turn signal and parking lights.

This thread which is for a 2006 X is a good starting point for reference the wire colors for an '03 are different http://www.wranglerforum.com/f5/afte...ng-121355.html

If you don't have a fog light switch on the multifuntion switch (the one you turn the headlights on with etc.) you'll need to do some additional wiring.

You'll either want to get the multifuntion switch C1 with the fog light switch from a sport or splice some wires from Pin 13 (PK/LG) and Pin 14 (WT/OR) to wire in a switch.

You'll be missing the wire that is LB (light Blue) in Conenctor C110 pin13, that is the feed to the fog lamps. You'll need to splice into the feed from the relay in the PDC to finish the circuit. A good splicing point that I'm pretty sure is the best place to do it is at Pin 21, Connector C170 under the drivers side dash near the kick panel.

I haven't had the change to confirm all the wiring from the manual but I'm pretty certain this is all correct.

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