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Old 07-31-2005, 12:55 AM   #1
steves1967
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Brake warning light 90 BURB

I've got a 1990 Suburbqan and the darn brake warning light is on. Just came on 3 days ago. I tried unplugging the ABS computer and pluggine it back in after a few minutes- light goes out until i hit the brakes. Anybody got any idea what's up? The brakes do work fine...
Thanks!
Steve
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Old 07-31-2005, 02:51 AM   #2
a28doc
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have you checked the fluid level? if it is ok then its either the master cylinder is bad or the pressure switch is bad

Doc
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Old 07-31-2005, 05:04 PM   #3
steves1967
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Yeah the fluid level is fine. How can I tell if it's a master cylinder? The pedal still feels as firm as it did a week ago and there isn't any fluid leaking.
Thanks!!
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