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1999
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Riviera V6-3.8L SC VIN 1
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Repair and Diagnosis
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Powertrain Management
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Engine Controls
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Class 2 Serial Data, MIL, DLC, UART
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Power, Ground, and Class 2 Serial Data Circuit
Power, Ground, and Class 2 Serial Data Circuit
Data Link Connector (DLC) Schematics: Power, Ground And Serial Data Class 2):
