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Driver side brake light and turn signal not working properly

Tiny
LEE GIBBZ
  • MEMBER
  • 1999 BUICK REGAL
  • 3.8L
  • V6
  • TURBO
  • 2WD
  • AUTOMATIC
  • 160,000 MILES
GS model. Driver side brake light does work and the driver side turn signal only works in the day time. Checked all fuses and relays. The crazy thing is emergency flashers are working day or night. I’ve been trying to figure this out for about two weeks now.
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Tuesday, February 19th, 2019 AT 11:59 AM

1 Reply

Tiny
HARRY P
  • MECHANIC
  • 2,292 POSTS
Hello and welcome to 2CarPros. Have you replaced the flasher? This car uses an all-in-one flasher that incorporates both the hazards and turn signals. The result? It can do some weird things when it fails. Pop a new one in and see what happens. If that doesn't do it, then we're looking at replacing the multi-function switch (the switch that controls the wipers, turn signals, hazards, and cruise control). Check the image below for instructions on replacing your flasher. You can get them pretty cheap on Amazon.

- Harry
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Tuesday, February 19th, 2019 AT 12:56 PM

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