Yukon/Denali XL 1500 4WD V8-6.0L VIN U (2004)
Data Link Connector: Description and Operation
DATA LINK CONNECTOR (DLC)
The DLC is a standardized 16 cavity connector. Connector design and location is dictated by an industry wide standard, and is required to provide the
following:
-
Scan tool power battery positive voltage at terminal 16
-
Scan tool power ground at terminal 4
-
Class 2 serial data at terminal 2
-
Common signal ground at terminal 5
