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Old 07-16-2009, 11:20 AM   #1
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Bad headlight switch 2000 tj ????

Hello all!!
Just wondering if anyone has ever encountered a BAD HEADLIGHT SWITCH? I have a 2000 TJ with fog lights. My instrument panel back lighting went out (all warning indicator lights work), my foglights do not work (fog light switch indicator inoperative) and my parking lights do not work....This appears to be like 3 different circuits that have one thing in common...the headlight switch. Has anyone had the same 3 problems at once, and what was the solution? I need help, the train is off the tracks!

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Old 07-16-2009, 01:17 PM   #2
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i have the same problem, but if its in a different position like turn it right or left than the dash and other lights stay on. 2000 tj

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Old 07-16-2009, 01:47 PM   #3
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Surfnaked2010,
Your parking lights do not work, nor your fog lights? Sounds like your dash lights work, just cant adjust the brightness?
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Old 07-16-2009, 03:03 PM   #4
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no sry for the mix up everything works like fog lights other lights just a short sometimes in the dash. the foglights and parking lights never go out i just have a short in the dash, shifter lights
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Old 07-17-2009, 01:12 PM   #5
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Thumbs up Solution found! Wiring problem fixed

I had the following problems, and after 4 days of extensive searching for grounded wires, and replacing electrical parts (headlight switch), I finally found what was causing the problem (blowing fuze #1 also).

I HAD the following problems:
1) Dashlights out
2) Foglights out
3) Parking lights out

I removed and replaced the headlight switch...still had problem. I then removed the plug on the back of the switch and took some readings. After many views of the wiring diagram, voltage and continuity checks, I found a wire (black with a yellow stripe) that showed "grounded or shorted". I removed the aftermarket radio and found that wire was shorting against the back of the radio support bracket (metal). As soon as I repaired the wire and put a new fuze in, VOULLA!!! Lights everywhere....that one little wire apparently sends a signal to the stock radio for night time illumination. However, if shorted you lose dash lights, fog lights and parking lights. I have seen many threads of jeep owners losing the same lighting, and if they have an aftermarket radio installed, I WOULD DEFINATELY check this wire. From the fuzebox, exterior lighting leaves on a brown with black stripe wire and goes to headlight switch. When the switch is pulled out, voltage then gets transferred from the brown/black stripe wire over to the black with yellow stripe wire which makes illumination happen. Lots of coorelation here, that is not really showed in the wiring diagram. I was lucky to find it and I wanted everyone to know what to look for if they have similar problems.

Chalk one up for the HOME MECHANIC!!!
Cheers!!!!!!!!!
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Old 07-17-2009, 01:20 PM   #6
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Gunner, I had a similar problem with my 2K TJ a few years ago. I ended up cleaning out the emergency flasher button on top of the steering (as it was dirty, probably shorting things out) and miracle of miracles, no more problems.

Similar conditions too here in Lakeside.
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Old 07-17-2009, 07:15 PM   #7
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I also have a 2000 TJ, I decided to bypass that crappy pull knob/switch straight to a metal on/off switch mounted next to it. It works way better and turns the dash and headlights on at the same time. The only con is if you leave your lights on, it wont sound an alarm.
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Old 10-06-2009, 09:58 PM   #8
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Is it possible to have the parking lights & interior lights work and NOT the headlights? Could it be the switch (even though I replaced it about a onth ago)
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Old 10-08-2009, 01:35 AM   #9
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I have the exact same problem in my YJ...My parking lights and dash lights work, but the headlights don't turn on. If I flash the high-beams, they will come on, but only as long as I hold the high-beam switch (turn-signal lever) back. I checked all the fuses today, and all look fine. I am REALLY interested to hear what this might be.

Thanks!
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Old 08-11-2010, 08:56 PM   #10
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Maybe the ground on the light switch???
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Old 10-11-2010, 02:28 PM   #11
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KJ139, did you find a way to fix the problem. I have the exact same thing going on. Low beam and high beam will not work, but if I flash the high beams, they work. All fuses are good. I took the kickplate off the bottom, under the steering wheel, and the switch looks easy to swap out, but I want to know if you have a fix other than replacing the on/off switch.
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Old 01-31-2011, 09:37 PM   #12
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Dashlights out Foglights Parking lights out

Quote:
Originally Posted by gunner_bob View Post
I had the following problems, and after 4 days of extensive searching for grounded wires, and replacing electrical parts (headlight switch), I finally found what was causing the problem (blowing fuze #1 also).

I HAD the following problems:
1) Dashlights out
2) Foglights out
3) Parking lights out

I removed and replaced the headlight switch...still had problem. I then removed the plug on the back of the switch and took some readings. After many views of the wiring diagram, voltage and continuity checks, I found a wire (black with a yellow stripe) that showed "grounded or shorted". I removed the aftermarket radio and found that wire was shorting against the back of the radio support bracket (metal). As soon as I repaired the wire and put a new fuze in, VOULLA!!! Lights everywhere....that one little wire apparently sends a signal to the stock radio for night time illumination. However, if shorted you lose dash lights, fog lights and parking lights. I have seen many threads of jeep owners losing the same lighting, and if they have an aftermarket radio installed, I WOULD DEFINATELY check this wire. From the fuzebox, exterior lighting leaves on a brown with black stripe wire and goes to headlight switch. When the switch is pulled out, voltage then gets transferred from the brown/black stripe wire over to the black with yellow stripe wire which makes illumination happen. Lots of coorelation here, that is not really showed in the wiring diagram. I was lucky to find it and I wanted everyone to know what to look for if they have similar problems.

Chalk one up for the HOME MECHANIC!!!
Cheers!!!!!!!!!
Gunner Bob- Thanks for your thread; had the same exact problem, replace fuse #1 and problem fixed. I know there is something loose behind the dashboard, but will wait to see what happens. If it keeps blowing the fuse will have to get back there and sort the problem out. Thanks.

TJWJ
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Old 03-03-2014, 08:52 PM   #13
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help. 2000sahara.no headlamps. no brights. dash lights ok. tail lights okay. seems to be a short in radio that was evident long before headlamps stopped-anybody ?this naive and ignorant non-mechanic would be most grateful for any information

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