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Data Link Connector

WARNING: This page is about a different car, the 2002 Chevrolet Monte Carlo, 2002 Chevrolet Impala, 2001 Chevrolet Monte Carlo, and 2001 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.

The Data Link Connector (DLC) is a standardized 16-pin connector located below instrument panel, right of steering column. Both connector design and location are dictated by industry wide agreement to follow SAE J1962 standards.

All DLCs are required to provide a power supply, hot at all times, to Pin 16. This circuit is used to power scan tool. All DLCs provide a power ground at Pin 4 and a clean signal ground at Pin 5. Class 2 serial data communications circuit is provided at Pin 2 of DLC.

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