Chevrolet Caprice IV (1990-1996) Data link connector circuit

BLK/WHT WIRE BUICK ONLY DATA LINK CONNECTOR DIAGNOSTIC REQUEST INPUT ELECTRONIC BRAKE CONTROL MODULE HEATER-A/C CONTROL INFLATABLE RESTRAINT DIAGNOSTIC ENERGY RESERVE MODULE OUTPUT/ FIELD ENABLE P/S PUMP EVO ACTUATOR POWER STEERING CONTROL MODULE POWER STEERING RESERVOIR POWERTRAIN CONTROL MODULE PULSE WIDTH MODULATED OUTPUT SERIAL DATA LINE TAN WIRE WHT WIRE WHT/BLK WIRE YEL WIRE