What would cause the right rear tailight not to work. the other lights work fine on 1995 BMW 325i

all other lights in fixture and on car work fine

by in Glen Ellyn, IL on September 24, 2011
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3 answers 1 comment
ANSWER by , September 24, 2011
Most likely just a bad bulb or poor electrical connection at the bulb holder. Look at the bulb see if the bulb filament is broken or the bulb looks discolored or perhaps water is entering the lamp causing the bulb to fail prematurely. Check for power to the bulb. You would have to use a "12 volt test light" or preferably a volt meter.
COMMENT by , September 25, 2011
I switched the bulb and socket with the other side and it worked. what is a easy way to tell if I have power and ground?
ANSWER by , May 08, 2012
I've had this problem and resolve it by turning the lamp a couple times. The connection seems to oxidize. I have been doing this on my '95 for 5 years every once in a while.
ANSWER by , February 17, 2015
Check the bulb assembly in your backlight might be failing. Mine did this and after reaplcing the assembly ($80) the tailight worked fine. This is a common problem with BMWs.