1991 Chevy Cheyenne Brake Light flashing

Tiny
GEAUXTIGERS
  • MEMBER
  • 1991 CHEVROLET CHEYENNE
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 145,000 MILES
I have a 1991 Chevy Cheyenne, 4.3 L engine, that has the brake light flashing. Not sure what could be causing this. Is there a computer on this model truck? Is this a diagnostic code or something? It mainly flashes while driving. Thanks for the advice.
Thursday, December 27th, 2007 AT 11:13 PM

1 Reply

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Hi there,

Check the adjustment of the brake light switch, or replace if adjustment is ok.

Mark (mhpautos)
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Friday, December 28th, 2007 AT 4:39 AM

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