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Thread: E90 turn signal, weak/dim light on rear left only.

  1. #1
    Join Date
    Jun 2017
    Location
    Ocala, Florida
    Posts
    1
    My Cars
    2009 335d

    E90 turn signal, weak/dim light on rear left only.

    Looking for some help. What could cause my rear, left only turn signal to be very dim?
    The bulb works fine when switched to the rear right.
    Thanks in advance for any help.

    Sent from my SM-G991U using Tapatalk

  2. #2
    Join Date
    Aug 2008
    Location
    North Potomac, MD
    Posts
    1,054
    My Cars
    2011 E90 328i
    With voltmeter, compare the voltage getting to the bulbs.

  3. #3
    Join Date
    Aug 2008
    Location
    North Potomac, MD
    Posts
    1,054
    My Cars
    2011 E90 328i
    Also, with turn signals off, compare resistance to ground on both sides.

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