PinWire ColorCircuit No.FunctionA1–Not UsedA2PNK3Ignition 1 VoltageA3LT GRN1763Steering Wheel Position Signal AA1–Not UsedA2PNK3Ignition 1 VoltageA3LT GRN1763Steering Wheel Position Signal ALT GRN1763Steering Wheel Position Signal A Chevrolet Suburban, 5.3L 4WD 2003 Steering Column Electrical Circuit Symbol Map
