Data Link Connector Replacement

The Data Link Connector (DLC) contains these serial data links:
^ Class II.
^ UART.
^ Entertainment and Comfort (E&C).

The DLC also provides a power source for the scan tool:
^ Unswitched voltage (B+) at DLC terminal 16 (circuit 640).
^ Ground at terminals 4 (circuit 1450) and 5 (circuit 1550).