Factory fog lights to stay on with high beams
Senior Member
Joined: Apr 2011
Posts: 746
Likes: 3
From: here today gone tomorrow
Year: 1996
Model: Cherokee
Engine: 4.0
They are wired to a relay that turns them off when the high beams are on. There really isn't a good reason to have fog lights on with high beams since they really don't project far in front of the vehicle.
I mounted a pair of PIAA 520ATPs and aimed them to coincide with my lows. They make a huge difference with the lows and provide excellent fill lighting with my highs. For my state, they are not wired legally for public road use. Much of my night time driving is in rural areas with lots of deer, so I use my auxiliary lights with discretion.
I mounted a pair of PIAA 520ATPs and aimed them to coincide with my lows. They make a huge difference with the lows and provide excellent fill lighting with my highs. For my state, they are not wired legally for public road use. Much of my night time driving is in rural areas with lots of deer, so I use my auxiliary lights with discretion.
Ya all my night time driving is in very rural areas also... My town has like 500 people max on a good day lol.. Not a street light in any direction within 20 miles so I want all the light I can get... Just trying to figure out where this relay is... I've been told I've gotta bend a prong on it just need to know which one and where and I plan on upgrading them very soon
CF Veteran
Joined: Jun 2011
Posts: 2,858
Likes: 1
From: Nor-Cal
Year: 1990
Model: Cherokee
Engine: The venerable 4.0
Originally Posted by 1plunk
I saw it somewhere that for that to work you had to bend the fuse I think. Not sure though.
- Glooop
- Glooop
On my 98 you would just make a jumper wire, and plug it in place of the relay. That way you can plug it back in for inspection. It is in the fuse block under the hood. On a normal aftermarket relay it would be between #30 & #87. There is a write up on it here some place. Mine didn't come with fogs, but I wired them up when I built the headlight harness. It is nice to have them on with the high beams, because they fill in the space right in front that the highs miss. I just put my covers on for inspection.
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I did this to one of the TJs I had years back. I don't exactly remember how but I know I had to take the relay apart. Im trying to remember how so I can do it to an 01 XJ I just bought.
Seasoned Member
Joined: Dec 2014
Posts: 419
Likes: 12
From: Oregon (Wetside)
Year: 1990
Model: Cherokee (XJ)
Engine: 4.0l
I think this is what you guys are wanting. If not I know I seen something recently when looking for my upgrade harness problem, think it is in mod forum.
https://www.cherokeeforum.com/f5/fog-light-mod-39866/
https://www.cherokeeforum.com/f5/fog-light-mod-39866/
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