OEM Fog Light Wiring Kit
Member
Joined: Sep 2011
Posts: 249
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Year: 00'
Model: Cherokee
Engine: l6 4.0l 242.c.i.
If your rig (97+) has the factory fog light pigtail behind the switch blank you can get an OEM switch, and wire it up like this:
Orange - This is the illumination wire, you can tap into another orange wire in the switch panel
Light Blue - This is the switch output, send this wire to the input wire of the foglight relay.
Violet - Connect to a fused 12v, or ignition source. If you'd like similar stock operation, you can connect this to the parking light output so that if you leave the switch on it will only get power when lights are on.
Black - Connect to a ground
Make sure you run a relay to your fog lights if you go this route, the oem switch CANNOT handle the current that aftermarket lights pull. I'd also run some 12g or at least 14g wire.
Orange - This is the illumination wire, you can tap into another orange wire in the switch panel
Light Blue - This is the switch output, send this wire to the input wire of the foglight relay.
Violet - Connect to a fused 12v, or ignition source. If you'd like similar stock operation, you can connect this to the parking light output so that if you leave the switch on it will only get power when lights are on.
Black - Connect to a ground
Make sure you run a relay to your fog lights if you go this route, the oem switch CANNOT handle the current that aftermarket lights pull. I'd also run some 12g or at least 14g wire.
Seasoned Member
Joined: Nov 2011
Posts: 336
Likes: 76
Year: 1998
Model: Cherokee
Engine: Golen 4.6L
Doesn't the OEM setup use a relay? I'm about to add LED lights off the factory fog harness. I sourced an OEM switch and I have the factory pigtail/plug right there at the switch panel. My Jeep is an SE.. I checked the PDC and I have 2 spaces there for fog relays that are empty/unoccupied. They are labeled "FOG 1 & FOG 2". My question is what is the difference and if I add a relay will this setup work?
Banned
Joined: Oct 2013
Posts: 933
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From: WNY
Year: 2000
Model: Cherokee
Engine: 4.0
I would not trust the oem fog wiring, many will tell you the same. Just wire up a new one to an oem male plug using the color code posted above, then run the switch wire to a new relay in the engine bay.
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Joined: Feb 2011
Posts: 719
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From: Bel Air, Maryland 21015
Year: 1995
Model: Cherokee
Engine: 4.0
Senior Member
Joined: Feb 2011
Posts: 719
Likes: 0
From: Bel Air, Maryland 21015
Year: 1995
Model: Cherokee
Engine: 4.0
I believe, if not mistaken, that the reason so many own fog switches burnt out, and people had other problems with the oem wiring, is because there wasn't a relay present on the circuit.
I would not trust the oem fog wiring, many will tell you the same. Just wire up a new one to an oem male plug using the color code posted above, then run the switch wire to a new relay in the engine bay.
I would not trust the oem fog wiring, many will tell you the same. Just wire up a new one to an oem male plug using the color code posted above, then run the switch wire to a new relay in the engine bay.
A lot of Jeep wiring issues could be prevented with the addition of a relay.
Had to replace a headlight switch assembly and harness connector ..... new install included a relay to take the current off the switch.
HVAC blower fan is a similar issue ...... surprising how many are riding around with the connector on that switch burned and melted .... they just don't know it YET !!!
CF Veteran
Joined: Oct 2015
Posts: 7,517
Likes: 1,626
Year: 2000
Model: Cherokee (XJ)
I found an OEM fog light wiring kit for $99. It is only the wiring. No lights or switch. The kit will wire it from bumper to switch. I was wondering if anybody has installed this kit, how hard/easy was it, recommend/not recommend, etc.
http://www.jeepsareus.com/p/CHEROKEE/fgpig1.html
http://www.jeepsareus.com/p/CHEROKEE/fgpig1.html
http://www.jeepforum.com/forum/f11/f...-them-3467146/
EDIT:
Went and replaced all the broken links with part #'s. Hope this helps somebody.
Just posted it on this site too.
https://www.cherokeeforum.com/f2/fac...e-them-220836/
Last edited by Ralph77; Jan 3, 2016 at 03:51 AM.
Banned
Joined: Aug 2019
Posts: 27
Likes: 3
Model: Cherokee (XJ)
If your rig (97+) has the factory fog light pigtail behind the switch blank you can get an OEM switch, and wire it up like this:
Orange - This is the illumination wire, you can tap into another orange wire in the switch panel
Light Blue - This is the switch output, send this wire to the input wire of the foglight relay.
Violet - Connect to a fused 12v, or ignition source. If you'd like similar stock operation, you can connect this to the parking light output so that if you leave the switch on it will only get power when lights are on.
Black - Connect to a ground
Make sure you run a relay to your fog lights if you go this route, the oem switch CANNOT handle the current that aftermarket lights pull. I'd also run some 12g or at least 14g wire.
Orange - This is the illumination wire, you can tap into another orange wire in the switch panel
Light Blue - This is the switch output, send this wire to the input wire of the foglight relay.
Violet - Connect to a fused 12v, or ignition source. If you'd like similar stock operation, you can connect this to the parking light output so that if you leave the switch on it will only get power when lights are on.
Black - Connect to a ground
Make sure you run a relay to your fog lights if you go this route, the oem switch CANNOT handle the current that aftermarket lights pull. I'd also run some 12g or at least 14g wire.
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