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Old 02-13-2006, 06:33 AM
Registered User
Join Date: Feb 2006
Location: California
Posts: 5
Question turn signal problem

hello there. It all started when my passenger rear turn signal light went out. When I went to replace the bulb the socket was all melted and charred. I bought a new socket and bulb(both new now) and realized that the turn signal works when the lights are not on. When the lights are on just the passenger side rear tail light doesn't work. I don't know what to do and need help before I get a ticket.

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Old 02-13-2006, 10:28 AM
86560SEL's Avatar
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Join Date: Jan 2003
Location: east Tennessee (southeast USA)
Posts: 3,015
And the cars year and model?

That may be of help.

Welcome to MS.
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Old 02-13-2006, 01:46 PM
t walgamuth's Avatar
Join Date: Apr 2005
Location: Lafayette Indiana
Posts: 34,897
first replace the socket

it sounds like you might have a ground issue and it is backfeeding through other circuits.

if you still have the problem after changing the socket, come back and fill us in.

if you have already changed it you still might have a ground problem.

tom w
[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.
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Old 02-14-2006, 12:53 AM
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Join Date: Feb 2006
Location: California
Posts: 5
'90 Mercedes-Benz SEL
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Old 02-14-2006, 12:54 AM
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Join Date: Feb 2006
Location: California
Posts: 5
i'll check on the wiring, i think that's where the prob is..
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Old 02-20-2006, 09:01 PM
Benzmeister's Avatar
W107 Person
Join Date: Aug 2003
Location: Chicopee, Ma
Posts: 138
Either a short of grounding is bad, I would quickly

check this out could cause a fire. I' ve see broken grounds start an engine fire and it is no pleasant, especially if you have no extinguishing equipment.
Al Lueb
1999 C280 54K miles
1979 450 SLC 144K miles
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Old 02-22-2006, 12:39 PM
Registered User
Join Date: Jun 2005
Posts: 15
Did it look like this?

I got ye' ol' light malfunction today on my E320. I pulled the right rear bulb socket and found one of the contacts melted. Some of the melted plastic appears to be on the metal housing in the tail assembly where the socket mounts. I ordered a new socket today from the dealer. I plan on using a little steel wool to clean up the housing, unless someone tells me a better way or that I should not do so. I hope replacing the socket fixes things.

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