1990 240dl sedan - bulb failure warning
#1
1990 240dl sedan - bulb failure warning
Bulb failure warning light comes on when I press the brake pedal. IF I turn on the parking or headlights the warning stays on.
** All lights are working properly **
I have replaced ...
# All rear light bulbs (including 3rd brake and lic. plate)
# Bulb failure warning sensor (New)
# Tail Light Circuit Boards (both sides - New)
Any Ideas
** All lights are working properly **
I have replaced ...
# All rear light bulbs (including 3rd brake and lic. plate)
# Bulb failure warning sensor (New)
# Tail Light Circuit Boards (both sides - New)
Any Ideas
Last edited by Rev0verDrive; 03-09-2010 at 09:08 AM.
#2
*Bump* With Pics
Still have the Bulb Failure Warning Light. Done drove myself nuts with this problem. The pics show the tail lights when the parking and/or headlights are turned on and car is running.
If I turn the the lights off the warning only comes on when I hit the brakes.
Anybody have an idea?
Still have the Bulb Failure Warning Light. Done drove myself nuts with this problem. The pics show the tail lights when the parking and/or headlights are turned on and car is running.
If I turn the the lights off the warning only comes on when I hit the brakes.
Anybody have an idea?
#3
#5
Happens often on my 89 240 too. Try replacing both brake light bulbs with NEW bulbs, and clean the socket contacts too. I remember reading somewhere the bulb failure sensor works by measuring impedence, so if one bulb or socket is corroded and not making as good contact as the other the sensor will come on even if the lights (brake lights) are still working. It's possible the relay for the bulb sensor is bad (behind dashboard above driver left knee), but I'd try new bulbs and contact cleaning first.
#6
#7
#8
Bulbs are all new and silver base
I have thought of that, but Im crossing my fingers in hope it's something simpler. It would figure with my luck though.
#9
I would double check all the connections for the sockets and plug to the taillight.
2 weeks ago I helped a buddy hard wire the taillights on his car. We were both very happy with how it turned out. You might want to think about doing it in the future to do away with all connection problems. I also think it will reduce heat at the taillight assembly and make the aftermarket light assemblies last alot longer.
2 weeks ago I helped a buddy hard wire the taillights on his car. We were both very happy with how it turned out. You might want to think about doing it in the future to do away with all connection problems. I also think it will reduce heat at the taillight assembly and make the aftermarket light assemblies last alot longer.
#10
I would double check all the connections for the sockets and plug to the taillight.
2 weeks ago I helped a buddy hard wire the taillights on his car. We were both very happy with how it turned out. You might want to think about doing it in the future to do away with all connection problems. I also think it will reduce heat at the taillight assembly and make the aftermarket light assemblies last alot longer.
2 weeks ago I helped a buddy hard wire the taillights on his car. We were both very happy with how it turned out. You might want to think about doing it in the future to do away with all connection problems. I also think it will reduce heat at the taillight assembly and make the aftermarket light assemblies last alot longer.
How would I go about hardwiring the taillights?
#13
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