What do I check for fast turn signal blinking

1999 CHEVROLET BLAZER
140 MILES
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69NOVAL78
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  • 1 POST
L turn signal blinks fast but both bulbs are good(working). R side is working as it should. If it's a bulb shouldn't one of them be out and if it's the flasher shouldn't both side be doing it?
Jan 26, 2012 at 10:42 PM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
-An open circuit,a bulb,T/S switch and flasher problem -break out the multimeter and start testing no more talk -keep us posted-
Jan 26, 2012 at 11:14 PM
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WRENCHTECH
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  • 20,761 POSTS
  • ASE Certified Mechanic
Sounds like you might have a bulb out on that side. That's what it does when it's missing a bulb.
Jan 26, 2012 at 11:17 PM
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