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Tiny
SINCITY2482
  • MEMBER
  • 1989 BUICK REGAL
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 176,000 MILES
Not sure why the driver side blinker and break light are not working on my 1989 buick regal gs custom doesnt seem to be a bulb problem
Thursday, February 24th, 2011 AT 7:59 PM

2 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Did you check bulbs front and rear? Check voltage and ground circuit for the bulbs.
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Thursday, February 24th, 2011 AT 8:01 PM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Your lower brake lites and turn signal use the same bulb filament, just not at the same time. Yellow wire is voltage for those lites, brown wire is voltage tail lamps, black is ground.
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Thursday, February 24th, 2011 AT 8:08 PM

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