Chevrolet Blazer S15 facelift (1998-2005) gmcm serial data Wiring diagrams

AMBIENT LIGHT SENSOR (ON TOP LEFT SIDE OF DASH) ANTI-THEFT SYSTEM ANTI-THEFT SYSTEM REMOTE KEYLESS ENTRY CIRCUIT BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (UNDER DASH, ON HEATER CASE) BRN WIRE COURTESY LAMP SW SIG FLASH-TO-PASS SW SIG CRUISE FUSE 3 DK BLU WIRE DK BLU/WHT WIRE DK GRN/WHT WIRE DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM DRL RELAY CTRL CLASS 2 SERIAL DATA SIGNAL GROUND IGNITION 1 VOLTAGE EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR PARK LAMPS SUPPLY VOLTAGE GAUGES FUSE 4 GMCM SERIAL DATA GROUND BATTERY POSITIVE VOLTAGE DOOR UNLOCK CTRL DOOR LOCK CTRL GRY WIRE GRY/BLK WIRE HEADLAMP HI BEAM RELAY CTRL HLP DIMMER SW HI BEAM SIG HEADLAMP OFF SIG HEADLAMP RELAY COIL SUPPLY VOLTAGE LED DIMMING SIGNAL VEHICLE SPEED SENSOR SIG HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM COMPUTER DATA LINES SYSTEM HEADLIGHTS SYSTEM INTERIOR LIGHTS SYSTEM ENGINE CONTROLS SYSTEM HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START HOT WITH HEADLAMP SWITCH IN HEAD OR PARK I/P FUSE BLOCK (LEFT END OF DASH) I/P LAMP FUSE SUPPLY VOLTAGE AMBIENT LIGHT SENSOR SIG IGNITION KEY ALARM SWITCH (PART OF IGNITION SWITCH) INSTRUMENT CLUSTER SYSTEM INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM LEFT FRONT TURN SW SIG RIGHT FRONT TURN SW SIG LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE ORG/BLK WIRE PARK BRAKE SWITCH (AT BASE OF PARK BRAKE ASSEMBLY) PARK LP FUSE 5 PNK WIRE PNK/BLK WIRE POWER DISTRI- BUTION SYSTEM (W/ REMOTE KEYLESS ENTRY) POWER DISTRIBUTION SYSTEM (RAP) INTERIOR LIGHTS SYSTEM HORNS SYSTEM PPL PPL/WHT WIRE RAP RELAY COIL CTRL INTERIOR LAMP RELAY COIL CTRL HORN RELAY CTRL RED/WHT WIRE SECURITY SYSTEM SENSOR SIG SPLICE TAN WIRE TBC FUSE (ON TOP OF LEFT FRONT INNER WHEELWELL) UNDERHOOD FUSE BLOCK WARNING SYTEMS TRANSMISSION SYSTEM WHT WIRE YEL WIRE

58 59 59 58 (2.2L) (4.3L) BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (UNDER DASH, ON HEATER CASE) BODY RELAY BLOCK (BEHIND LEFT SIDE OF DASH, NEAR I/P FUSE BLOCK) CLASS 2 SERIAL DATA GMCM SERIAL DATA GRN WIRE HOT AT ALL TIMES LEFT DOOR LOCK CYLINDER SWITCH (INSIDE DOOR LATCH ASSEMBLY) LIFT GLASS RELEASE SW SIG LIFTGATE/ENDGATE LOCK CYLINDER SWITCH (ON BOTTOM CENTER OF LIFTGATE) LIFTGATE/ENDGATE WINDOW RELEASE ACTUATOR (IN TOP OF ENDGATE) LIFTGLASS REL RELAY CTRL LIFTGLASS RELAY LT BLU WIRE LT GRN WIRE MIR/LKS FUSE ORG/ WIRE PARK BRAKE SW SIG PARK BRAKE SWITCH (ON BASE OF PARK BRAKE ASSEMBLY) POWERTRAIN CONTROL MODULE (PCM) (ON RIGHT FRONT OF ENGINE COMPT) REAR WIPER/WASHER, ENDGATE/LIFTGATE WINDOW RELEASE SWITCH REMOTE CONTROL DOOR LOCK RECEIVER (BEHIND LOWER LEFT SIDE OF DASH) SPLICE PACK TRANSFER CASE SHIFT CONTROL SWITCH UNDERHOOD FUSE BLOCK (ON TOP OF LEFT FRONT FENDER) WHT WIRE YEL WIRE