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  #1  
Old 05-13-2000, 09:35 PM
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Join Date: Feb 2000
Location: Springfield, MO
Posts: 270
I can't find any broke lights but the light on the dash that says I have a light broke is on.... Ideas?

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'92 300E
'74 Vette
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  #2  
Old 05-14-2000, 01:52 AM
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Join Date: Sep 1999
Location: San Antonio, Texas, USA
Posts: 154
The exterior lamp out warning light works on resistance changes. Some things can happen other than a burn out or removal to trigger the light:

If any exterior bulbs have been replaced with other than exact spec replacement bulbs that can cause the light to show.

Or you may have a bulb about to burn out. Any bulbs look extra bright?

Possibly a bulb has a corroded contact, causing a resistance change sufficient to trigger the warning light, but not enough to notice a change in the light output.

There may be other problems with the 90's cars that I am not aware of, but hope this sheds some additional light on the subject.

Roger
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  #3  
Old 05-14-2000, 02:13 AM
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Join Date: Apr 2000
Location: So. Cal
Posts: 4,430
The light out indicator came on after the tail light problem. During the attempt to fix, you swapped bulbs with the left side and back again didn't you? Maybe one of those bulbs isn't making solid contact, thus giving you the light out indicator.

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Mike Tangas
73 280 SEL 4.5
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  #4  
Old 05-14-2000, 10:28 PM
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Location: Suwanee, GA, USA
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Be sure to look at the tag lights...They will give fits. Also we see many people use aftermarket bulbs. The control unit sees a different amperage draw from the OE and the aftermarket and the light comes on.

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Benzmac:
Donnie Drummonds
1992 500E (very soon I hope
1981 280GE SWB
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  #5  
Old 05-14-2000, 11:03 PM
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Join Date: Feb 2000
Location: Springfield, MO
Posts: 270
I got the replacement bulbs from the local MB dealership; the replacement bulb did have a diffrent shape but the specs were the same as the old one. I can't find any lights at all, even the tag lights, that are out. I have checked all of the connections and they appear to be in order. I am taking my car in for it's 65k check-up this week so I'll have the mechanic look at it. Thanks!

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'92 300E
'74 Vette
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  #6  
Old 05-14-2000, 11:47 PM
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Join Date: Jan 2000
Location: New Bedford, MA USA
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Check that silly stop light in the rear window. If that's out, it will light up your indicator.

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Jeff L
1987 300e
1989 300e
1987 BMW 325
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  #7  
Old 05-16-2000, 09:17 AM
ColMc
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jeffsr,
Your description of those...silly stop light in the rear window.....

Not sure how you see them old mate , but I think they're great....

If you drive 2 to 3 cars ahead, you can see how far ahead cars are braking....

Makes sense to me....
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  #8  
Old 05-16-2000, 02:36 PM
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Join Date: Jan 2000
Location: New Bedford, MA USA
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Silly refers to the fact that a lot of folks overlook that "silly" bulb in the 3rd stoplight when they are trying to figure out why the bulb failure circuit remains activated. Personally, I think that it should be even higher on the body of the car, like the back edge of the roof...

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Jeff L
1987 300e
1989 300e
1987 BMW 325
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  #9  
Old 05-16-2000, 09:15 PM
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Join Date: Jun 1999
Location: Los Angeles, Calif, USA
Posts: 521
If it is a brake light related problem, the indicator light is on only after the brake is applied. I think you can narrow down the problem area by turning on the lights one area at a time to see which area causes the indicator light to be on: brake lights, head lights, left parking lights, right parking lights, all parking lights, etc. This is just a theory based on the circuit from my memory. If I am wrong, I am possibly not too far off.

David

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