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  #1  
Old 12-04-2005, 05:00 PM
Dave Horvath's Avatar
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1991 190 2.3 Headlights don't shut off

I came home from work today to find the headlights on. All the switchs are off. From what I have looked up there is not a relay for this. Would my problem be with the headlight switch or the high-low beam switch.
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2009 CLS550 55,000
2004 ML350 144,000
2004 X5 95,000
2002 X5 165,000
1996 320S 155,000 (sold)
1991 190E 192,000 (sold)
1989 300SE 160,00 (sold)
1984 300D 210,000 owned since 85, (sold)
1984 300SD 160,000 (sold)
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  #2  
Old 12-04-2005, 06:00 PM
carson356
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Quote:
Originally Posted by Dave Horvath
I came home from work today to find the headlights on. All the switchs are off. From what I have looked up there is not a relay for this. Would my problem be with the headlight switch or the high-low beam switch.
i have seen parts of old burned fuses accumulate in the fuse box area, somtimes they will move over contact other terminals and send power directly to the headlamp or other fuses, have you checked this?
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  #3  
Old 12-04-2005, 07:06 PM
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I have checked the fuses already. I had to remove 2 fuses to shut off the lights. Each side has its own fuse.
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2009 CLS550 55,000
2004 ML350 144,000
2004 X5 95,000
2002 X5 165,000
1996 320S 155,000 (sold)
1991 190E 192,000 (sold)
1989 300SE 160,00 (sold)
1984 300D 210,000 owned since 85, (sold)
1984 300SD 160,000 (sold)
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  #4  
Old 12-04-2005, 07:24 PM
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Sounds like headlight switch but I would be sure about a relay before trouble shooting the switch.

You might do a search to see if others have had a similar problem.
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1993 190E 2.3
2000 Toyota 4x4 Tundra
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  #5  
Old 11-24-2007, 01:57 PM
Dave Horvath's Avatar
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Join Date: May 2000
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Hey my lights came on again after being fine for a year. Any one have a wiring diagram? 1991 190 2.3
__________________
2009 CLS550 55,000
2004 ML350 144,000
2004 X5 95,000
2002 X5 165,000
1996 320S 155,000 (sold)
1991 190E 192,000 (sold)
1989 300SE 160,00 (sold)
1984 300D 210,000 owned since 85, (sold)
1984 300SD 160,000 (sold)
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  #6  
Old 11-24-2007, 02:12 PM
slk230red's Avatar
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Quote:
Originally Posted by Dave Horvath View Post
Hey my lights came on again after being fine for a year. Any one have a wiring diagram? 1991 190 2.3

Just curious, what did you do 2 years ago to fix the problem?

http://www.benzworld.org/forums/w201-190e-d-class/1303978-diagram.html?highlight=headlight+relay
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  #7  
Old 11-25-2007, 09:22 AM
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I replaced the headlight switch but that did not fix the problem. They just shut off and its been fine ever since. When I use the high low beam switch they stay on with no flicker or flash. I also unpluged the alarm box located under the passengers floor mat. No change.
__________________
2009 CLS550 55,000
2004 ML350 144,000
2004 X5 95,000
2002 X5 165,000
1996 320S 155,000 (sold)
1991 190E 192,000 (sold)
1989 300SE 160,00 (sold)
1984 300D 210,000 owned since 85, (sold)
1984 300SD 160,000 (sold)
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  #8  
Old 11-27-2007, 08:39 PM
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Join Date: May 2000
Location: Ohio
Posts: 132
I think I found the problem. I removed the fuse box, fun job and found the headlight fuse #18 shorted out to #12 dome light. I disassembled the box as far as I could and found severe corrosion. It looks like I need a new fuse box. Time to call Phil
__________________
2009 CLS550 55,000
2004 ML350 144,000
2004 X5 95,000
2002 X5 165,000
1996 320S 155,000 (sold)
1991 190E 192,000 (sold)
1989 300SE 160,00 (sold)
1984 300D 210,000 owned since 85, (sold)
1984 300SD 160,000 (sold)
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