I HAVE A REGAL GRAN SPORT SEDAN 3800

  • Tiny
  • Corey 971
  • 1991 Buick Regal
  • 315,000 miles

I have a regal gran sport sedan 3800. The left rear turn signal is not working. I checked the 4-ways snd they work fine. Changed all bulbs in the rear and still nothing. Is there a switch or module I need to look at or could it just be the flasher?

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Friday, February 1st, 2013 AT 5:53 PM

6 Replies

  • Tiny
  • JDL
  • Expert
  • 16,289 posts

Did you check voltage and ground at the bulb socket? Sometimes the bulb doesn't make good contact. Could be problem with multifunction switch?

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Friday, February 1st, 2013 AT 6:26 PM
  • Tiny
  • Corey 971
  • Member

The 4-ways are working so I ruled out the socket.

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Friday, February 1st, 2013 AT 7:38 PM
  • Tiny
  • Corey 971
  • Member

Tail lights, break and patking all wotk as well

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Friday, February 1st, 2013 AT 7:40 PM
  • Tiny
  • JDL
  • Expert
  • 16,289 posts

I'd have to get at the turn signal switch, yellow wire carries voltage for left turn rear. If there is air-bag in steering wheel, there is a safety issue. Safety is your responsibility. You will have to disarm the air-bag first, even then?

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Friday, February 1st, 2013 AT 9:08 PM
  • Tiny
  • Corey 971
  • Member

No airbags. So it is most likely the muliti. Switch in the column..

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Saturday, February 2nd, 2013 AT 1:14 AM
  • Tiny
  • JDL
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  • 16,289 posts

I believe your headed in the right direction. Goodluck

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Saturday, February 2nd, 2013 AT 3:24 PM

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