Envoy 4WD V8-5.3L VIN P (2004)
Data Link Connector: Description and Operation
DATA LINK CONNECTOR (DLC)
The data link connector (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:
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Scan tool power battery positive voltage at terminal 16.
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Scan tool power ground at terminal 4.
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Class 2 serial data at terminal 2.
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Common signal ground at terminal 5.
