Do you know what the codes are? You can jumper the 93's with a small wire and the SES light will flash the codes. Once you have them, you can pull the fuse to the ECU and they will go away until you fix the problem. I have the AutoXray scanner but I'm near Trenton so that doesn't help you. But you don't need a scanner for the 93's.
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69 Z28 JL8 4 wheel disc brakes - being restored
09 Silverado Z71
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