Turn signals not working

Tiny
SAVVYSTEPHY
  • MEMBER
  • 3 POSTS
  • 1999 BUICK LESABRE
Electrical problem
1999 Buick Lesabre 6 cyl Automatic

I was traveling today when I was told my rear right side break lights and turning signal weren't coming on. They come on when I lock my car or sound the alarm, so it is not the bulbs but electrical with the connection to the breaks / turning signal. Suggestions?

If I don't find anything out by Monday, I'll be bringing it to the mechanic. :)
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Friday, February 12th, 2021 AT 11:30 AM (Merged)
Tiny
INTERNETMECHANIC
  • MECHANIC
  • 700 POSTS
My first thought, is a problem with the multi-function switch? Your lower brake lights and turn use the same bulb filament, just not at the same time. The lower brake lights are wired through the multi-function switch, as well as the turn and hazard. All your other brake and turn signals work okay?
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Friday, February 12th, 2021 AT 11:30 AM (Merged)
Tiny
SAVVYSTEPHY
  • MEMBER
  • 3 POSTS
Yep, all the other turn signals and brake lights work. It is just the rear back corner. They do light up when I lock the car or push the "panic" button. Just not when I brake or use the right signal to turn.

Thanks!
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Friday, February 12th, 2021 AT 11:30 AM (Merged)
Tiny
FLEETWOOD58
  • MEMBER
  • 19 POSTS
  • 1998 BUICK LESABRE
Turn signals on Buick Lesabre do not flash but emergency flasher work fine any idea what may be going on?
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Friday, February 12th, 2021 AT 11:30 AM (Merged)
Tiny
DR LOOT
  • MECHANIC
  • 2,311 POSTS
I have looked at the wiring schematics on your vehicle and noticed that the hazard flasher and the turn signal flasher on the same circuit therefore it is a hazard flasher's work. There should be power going to the turn signal flasher and if that is the case in the turn signals do not work replace the flasher of the turn signal. I have given you below the location of both flashers so you do not confuse them and replace the correct one.

Turn signal flasher under left side of dash.
Hazard flasher under left side of dash, on right side of steering column brace.
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Friday, February 12th, 2021 AT 11:30 AM (Merged)

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