Thanks for the reply Doc, but wouldn't that be the SES light?
Speedo works OK BTW, and unless there is a short in the ALDL I haven't
jumped those ports. I'll check tomorrow to see if some wires from the
ALDL got shorted.
Code 1 = Faulty ECU (brake controller)
Code 9 = Open in speed sensor
If your not sure how to test the system look at
Enter 1989 Jimmy Select T-15 Look at Brakes, RWAL, Diagnosis and
Trouble codes and how to get them are there.
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