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Old 09-19-2013, 05:52 PM   #1
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Question Replace factory fog light on '99 TJ

Broke the factory fog lamp on my '99 TJ. Going to S Central CO in a month to drive the high passes, so thought it would be nice if the lights were functional. Just for grins I called the local Jeep dealer to see what a replacement lamp would cost for the unit; they only sell the complete fog light for $199 for ONE light, they do not sell the bulb separately. I did not grin.

Of course, the correct answer is to simply replace both FLs with new ones; but curious if you can just buy the bulb anywhere.

While screwing with that I discovered that neither fog light works. Not much fog here in Dallas, so hadn't used them much. The filaments are not broken, so it is the circuit, I guess. Only thing I know about electricity is that you do not lick a light socket. I'll never do THAT again.

Anyway, since no bulb is probably available I imagine I will buy new lights entirely, and would like to use the existing wiring and on/off switch. Thought I'd check the fuse, so looked in the owner's manual, and the fuse listing did not show "fog light". Any thoughts on the no-worky FLs? Thanks for any help!

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Old 09-19-2013, 05:57 PM   #2
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Had a similar question here's my thread

http://www.wranglerforum.com/f5/fog-lights-263286.html

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Old 09-19-2013, 06:02 PM   #3
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Yeah, I read that earlier and learned a lot, but didn't see an answer to either of my questions (1) is bulb available, and (2) wonder why lights don't work is there a fuse? However, because of your post I know a hell of a lot more on the whole FL subject, power consumption, and light selection, which I will definitely use.
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Old 09-19-2013, 06:55 PM   #4
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Standard h3 bulbs Walmart autozone ect ect

55 watt stock to use 100 watt you rota file off tab on bulb

The early tj with 2 relays behind glovebox
1st relay passes h
Hot from headlight switch ( on when on park or head) to fog switch unless 1st relay get its coil energized from high beam indicator if it does no power out of relay one output to switch

So if headlight switch on park or head and not on highbeams flipping fog switch to on energized relay two so it closes and sends fused power to fog lights

Please note contrary to popular belief the fog light current does not flow thru headlight switch or fog light switch it is already on a relay
Please note true only on early tj that has fog relays behind glovebox
Fog lamp fuse is number three 20 amp yellow
Third down or one up from bottom on far right Column of fuses behind glovebox
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Old 09-19-2013, 06:58 PM   #5
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Not sure about the bulbs. There is a fuse for the fog lights located in the fuse block under the hood, not sure of the number off by heart. If the fuse is missing and replacing it causes the fog lights to stay on then you are going to want to follow this thread.

http://www.wranglerforum.com/f5/mult...ion-50674.html

It's one of the first things I did to my TJ and that thread is great, good luck and hopefully this works out for you!
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Old 09-19-2013, 11:47 PM   #6
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Thanks!

Thanks, guys. Gonna try to figure this out from what you said and fix it up. Next door neighbor works for an auto parts store, so he can. help with the lamp. On the electrical I'm gonna have to read the stuff you provided and fake it.
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Old 09-20-2013, 09:22 AM   #7
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I actually have a set of factory fogs. One light got a bit of damage when I hit a Jeep headon on a trail, but the other one is totally good to go. The pigtails were cut off, but all still work...

(UNT Graduate from Denton, TX - 1992) Love the DFW area.
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Old 09-20-2013, 09:40 AM   #8
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Paul: Well, I drove up under a pickup truck bumper to break mine; but a head-on Jeep accident sounds like there is a good story there. DFW is OK, but scenery and trail difficulty are near zero.
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Old 09-20-2013, 01:04 PM   #9
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Yep. Not much there unless you down towards hill country or up to Oklahoma (Disney). Are both of your fog lights hosed or are you just needing one?
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Old 09-20-2013, 01:35 PM   #10
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Going to CO in oct for some bouncy roads, Hill Country in the Spring. Bet there are some good back roads and hill tops around Medina and Leakey. I only need one stock fog light since it is smashed, but gotta figure out why they aren't getting power.
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Old 09-20-2013, 03:30 PM   #11
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I didn't want to pay 200/ light.
I have extra housings, no lens, both bulbs.
you pay shipping the rest is free.
I went to my local car parts store and bought the 30.00 set of baja lights.
drilled my holes a tiny bit bigger, cut the piggies, re-wired them, and off I drove with a new set of foggers...
If they break, who cares, they were 30.00!
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Old 09-20-2013, 04:10 PM   #12
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They look better, too! Thank you very much for the generous offer, but I am going to follow your lead and just ditch the factory FLs. I do want to know which fuse controls them so I can see if that is why the power is not working.

Thanks again!
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Old 09-20-2013, 04:26 PM   #13
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there are 2 relay's for the fog lights, according to the manual. one comes off the headlamp switch, the other one comes off the power distribution block
fuse 25 is the one for them, its a 20amp, according to the book.

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