GMC Sierra 1500 (2000-2012) low ref Wiring diagrams

2-HI IND 4-HI IND 4-LO IND 7 CM FROM MAIN HARNESS ASSEMBLY) ACCY WAKEUP SRL DATA AXLE SW SIG GMLAN BUS - GMLAN BUS + IGN 1 VOLT BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRAKE CONTROL BRN WIRE COMPUTER DATA LINES SYSTEM DIRTN SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE FRONT AXLE ACTUATOR (ON FRONT AXLE ASSEMBLY) FUSE 19 FUSE 13 GAS DIESEL GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY ENERGIZED IGN IGN GND LOGIC DATA IGN REARVIEW MIRROR MOUNT) INCRMT ENCODER DIRECTN SIG INSTRUMENT CLUSTER PANEL (IPC) LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LOGIC LOW REF LOW REF ACCY WAKEUP SRL DATA ROTARY POSITION SENS SIG GMLAN BUS- GMLAN BUS + LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/DK BLU WIRE MISC IGN FUSE 43 FUSE 40 MTR CTRL B MTR CTRL A BATT + GND NEUTRAL IND ORG/ WIRE ORG/WHT WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL LO REF SW SIG 4 HI IND CTRL 4 LO IND CTRL AWD IND CTRL AXLE ACTR CTRL PPL/WHT WIRE PULSE SIG RED/BLK WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) SER SHIFT MOTOR LOGIC TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSFER CASE 2/4 WHEEL DRIVE ACTUATOR POSITION SENSOR (ON TRANSFER CASE) TRANSFER CASE ENCODER MOTOR TRANSFER CASE SHIFT CONTROL MODULE (LOWER LEFT SIDE OF DASH) TRANSFER CASE SHIFT CONTROL SWITCH (ON TOP LEFT OF TRANSFER CASE) TREC FUSE 67 FUSE 62 WHT WIRE WHT/GRN WIRE WINDSHIELD OUTSIDE MOISTURE SENSOR (NEAR INSIDE YEL WIRE YEL/BLK WIRE

6.0L 4.3L 6.2L, 5.3L, 4.8L BLK WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRN WIRE CHARGE IND SIG CHARGE LOW INDICATOR SPEED GM LAN SERIAL DATA LOGIC COMPUTER DATA LINES SYSTEM CURRENT SPLY DK GRN WIRE DRIVER INFORMATION CENTER (DIC) ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) GENERATOR B+ GENERATOR SIG GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER (IPC) IPC FUSE 46 LOW REF MEGA FUSE PNK WIRE POWER DISTRIBUTION SYSTEM POWER SUPPLY RED WIRE RED/WHT WIRE RIGHT BATTERY SENS SIG SERIAL DATA TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UNDERHOOD FUSE HOLDER (ON POSITIVE BATTERY TERMINAL) VOLT W/ 10 SERIES WHT WIRE

4.8L 4.3L 5.3L, 6.2L 6.0L 6 SPEED A/T 6.0L 4.3L 4.8L, 5.3L, 6.2L 6.6L ALLISON TRANSMISSION 6 SPEED A/T AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION FLUID PRESSURE (TFP) MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DATA BUS - ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) GRY WIRE HEAD IGN 3 VOLT IGNITION SWITCH LOCK LOW REF MEGA FUSE ORG/ WIRE ORG/BLK WIRE PARK/ NEUTRAL POSITION (PNP) SWITCH (ON LEFT REAR SIDE OF TRANSMISSION) PARK/NEUTRAL SIGNAL PNK/BLK WIRE POWER DISTRIBUTION SYSTEM POWER SUPPLY, AUXILIARY BATTERY PPL RED WIRE RED/BLK WIRE RIGHT BATTERY RUN WIRE SERIAL DATA STARTER MOTOR STRT RLY CTRL STRTR FUSE 62 (EXCEPT 6.6L) FUSE 57 (6.6L) TAN WIRE TAN/BLK WIRE TRANSMISSION CONTROL MODULE (TCM) TRANSMISSION CONTROL MODULE (TCM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) TRANSMISSION PARK/NEUTRAL UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) STRTR RELAY WHT WIRE YEL WIRE YEL/BLK WIRE