Data Link Connector (DLC) Schematics

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Data Link Connector (DLC) Schematics (Power & Ground)

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Fig 2: Data Link Connector (DLC) Schematics (SP205-1 Of 2)

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Fig 3: Data Link Connector (DLC) Schematics (SP205-2 Of 2)

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Fig 4: Data Link Connector (DLC) Schematics (SP207-Base & Uplevel)

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Fig 5: Data Link Connector (DLC) Schematics (SP207-Luxury)

Courtesy of GENERAL MOTORS CORP.