Passlock circuit for GMC Sierra 2500 (2000-2004)

58 59 15 16 DATA DATA BATTERY GROUND LOW REFERENCE SERIAL DATA BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH, NEAR STEERING COLUMN) CLASS 2 SERIAL DATA DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) PPL DK GRN WIRE EXCEPT 6.6L VIN 2 6.6L VIN 2 GRY WIRE HOT AT ALL TIMES HOT IN RUN, START I/P RELAY BLOCK (NEAR LEFT KICK PANEL) IGN IGN SW SIG IGN 1 VOLTAGE PNK WIRE IGNITION KEY ALARM SWITCH (ON IGNITION KEY CYLINDER) INSTRUMENT PANEL CLUSTER KEY LT GRN WIRE MAGNET LOCK CYLINDER ORG/ WIRE ORG/BLK WIRE PASSLOCK SENSOR (INTERNAL TO STEERING COLUMN) PNK WIRE PPL RED/WHT WIRE SEC SENS SIG SERIAL DATA GROUND SECURITY INDICATOR SECURITY SENSOR SPLICE PACK TAMPER SENSOR TBC BATT FUSE TBC IGN 1 FUSE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENG COMPT) YEL WIRE