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Old 02-16-2022   #4
tccrab
 
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Join Date: Oct 2004
Location: Folsom CA
Posts: 1,645
Default Re: ABS Service light?

You will need a GM Tech1A scan tool to diagnose and after fixing the problem, to reset the code.
If the problem turns out to be a faulty relay in the ABS system, I've dealt with this in the past.
The relay is made of pure unobtanium new, you will either have to source a used one off another 1990, or perform a mod like i describe in a post long ago.
Do a search for pasts posts by me on ABS relay mod.

Crabs
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Last edited by tccrab; 02-16-2022 at 01:08 AM.
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