Left signal flashes fast

Tiny
ROYCAR71
  • MEMBER
  • 1998 GMC JIMMY
  • 4.3L
  • V6
  • 2WD
  • AUTOMATIC
  • 158,000 MILES
I have recurring fast left signal. I have changed bulbs with 3157 on front and rear on left side.
Monday, May 29th, 2017 AT 9:25 PM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check for a bad ground on either front or rear lights. Try rear first as it is on frame left hand side.
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Tuesday, May 30th, 2017 AT 5:56 AM

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