1989 GMC C2500 Repair Question
Topics covered: Terminal, Trouble code.
Mileage: 190,000 miles.
Mileage: 190,000 miles.
Asked on November 7, 2012
GMC C2500 Terminal Problem
Checking for trouble codes with jumper wire
Asked by hammmerheadAnswer
Replied on November 7, 2012
In the DLC jumper A to B terminal-sample code: flash pause flash flash is code no. 12
