Chevrolet Astro I (1985-2005) Anti-theft circuit

BLK WIRE BODY CONTROL MODULE (ABOVE RADIO) CLASS 2 SERIAL DATA GAUGES FUSE 4 GROUND B+ SERIAL DATA GROUND IGNITION GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) INSTRUMENT PANEL CLUSTER LT GRN WIRE ORG/ WIRE ORG/BLK WIRE PASSLOCK SENSOR (IN STEERING COLUMN, NEAR LOCK CYLINDER) PNK WIRE POWER DISTRIBUTION SYSTEM POWERTRAIN CONTROL MODULE (BELOW UNDERHOOD FUSE BLOCK, ON LEFT SIDE OF FIREWALL) RADIO BATT FUSE 19 RED/WHT WIRE SECURITY HALL EFFECT SENSOR SECURITY INDICATOR SERIAL DATA SERIAL DATA LOW REF PASSLOCK SIG SPLICE PACK TAMPER HALL EFFECT SENSOR TBC FUSE 15 YEL WIRE