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S10/T10 P/U 4WD V6-4.3L VIN X
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Class 2 Serial Data, MIL, DLC, UART
Class 2 Serial Data, MIL, DLC, UART
Data Link Connector (DLC) Schematics: Power, Ground, SDM and VIU:
Data Link Connector (DLC) Schematics: Class 2 Communication: