Question about 1991 GMC Sierra

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Dash brake light flashes

I have a 1991 GMC pickup , 8 cyl. The brake light on the dash flashes when I press the brake pedal. It will flash for a little while then quit. Everything is fine with the brakes. This also happens to the heat and A/C control lights when I press them. Everything works fine except these lights flash.

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Check rear wheel sylinders for moister. an indicator for a leak. replace it then bleed brakes. refill resivore should be fine then. check front calipers also or leaking line.

Posted on Mar 28, 2009

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