Chevrolet Silverado 3500 HD (2007-2012) transfer case shift control module Wiring diagrams

A/C CMPRSR RELAY AIR BAG BATT FUSE 46 AMP FUSE 42 AUDIO AMPLIFIER BODY CONTROL MODULE (BCM) CHIME MODULE COOLING FAN (LEFT) COOLING FAN (RIGHT) DIGITAL RADIO RECEIVER DK GRN WIRE ECM BATT ELEC RUN BOARD ENGINE CONTROL MODULE (ECM) ESC/ALH EXH EXCEPT LUXURY NO RADIO EXP/ PTO FAN 1 FUSE FAN LO RELAY FAN WIPER HI CONTROL RELAY PCB RELAY FAN-2 FRT WPR FUSE FUSE 37 FROM LGM FUSE (DIAGRAM 1 OF 5) FRT WASH PCB RELAY FSCM FUSE 22 FUEL PUMP RELAY FUEL SYSTEM CONTROL MODULE (FSCM) FUSE 13 FUSE 15 FUSE 23 FUSE 3 FUSE 40 FUSE 49 FUSE 67 FUSE BLOCK (UNDERHOOD) (RIGHT SIDE OF FIREWALL) GPS, REAR ENTER- TAINMENT EXCEPT LUXURY GRY WIRE HDLP WASH HEAVY DUTY ABS WSW/HTR FUSE 61 FUSE 68 HORN PCB RELAY HVAC BATT HVAC BLWR FUSE 72 HVAC CONTROL MODULE INFOTMNT FUSE 47 INSTRUMENT PANEL CLUSTER (IPC) IPC FUSE 48 ITBC ABS-1 ABS 2 FUSE 7 FUSE 63 FUSE 10 J/B (LEFT I/P) J/B (LEFT I/P) (LOWER LEFT SIDE OF DASH) LT BLU WIRE LUXURY NCA WIRE POWER TAKE-OFF (BLUNT CUT) POWER TAKE-OFF (PTO) RELAY PPL PREMIUM AUDIO EXCEPT LUXURY PREMIUM AUDIO W/LUXURY RADIO REAR SEAT AUDIO (RSA) CONTROLLER RDO FUSE 43 REAR DEFOG RELAY REAR ENTER- TAINMENT EXCEPT LUXURY REAR ENTER- TAINMENT W/LUXURY REAR ENTER- TAINMENT W/LUXURY GPS EXCEPT LUXURY GPS W/ LUXURY RED WIRE RED/BLK WIRE RED/WHT WIRE STRTR RELAY TCM BATT TRAILER BRAKE CONTROLLER MODULE (TBCM) ELECTRONIC BRAKE CONTROL MODULE (EBCM) TRANSFER CASE ENCODER MOTOR TRANSFER CASE SHIFT CONTROL MODULE TREC FUSE 69 VIDEO COMMUNICATION INTERFACE MODULE (VCIM) VIDEO DISPLAY WHT WIRE WINDSHIELD WASHER SOLVENT HEATER J/B (RIGHT I/P) WINDSHIELD WIPER MOTOR WIPER SPEED PCB RELAY

6 SPEED 4 SPEED BLK WIRE BODY CONTROL MODULE (BCM) BRN WIRE DK BLU WIRE DLIS FUSE 36 DRIVER SEAT 2 CIRCUIT BREAKER EAP FUSE 39 ELECTRONIC ADJUSTABLE ENGINE CONTROL MODULE (ECM) EXCEPT 4.3L 4.3L EXCEPT 6-WAY POWER SEAT EXCEPT AUTO POWER MIRROR AUTO POWER MIRROR EXCEPT PUSHBUTTON FROM LGM FUSE (DIAGRAM 1 OF 5) FUSE BLOCK (UNDERHOOD) (RIGHT SIDE OF FIREWALL) I/P MULTIFUNCTION SWITCH ASSEMBLY IGN I/II IGNITION SWITCH J/B (LEFT I/P) J/B (RIGHT I/P) KEY-IN SWITCH MAIN HARNESS ASSEMBLY BREAKOUT) MBEC 1 FUSE 71 MEMORY SEAT MODULE OFF PARK ENABLE PASS SEAT 1 CIRCUIT BREAKER PCB RELAY PEDAL ASSEMBLY) PEDALS PCB RELAY PNK WIRE PNK/BLK WIRE PPL PUSHBUTTON PWR REAR WNDW CIRCUIT BREAKER RED WIRE RED/WHT WIRE RT DOORS CIRCUIT BREAKER RUN WIRE SEAT ADJUSTER SWITCH (PASSENGER) SEAT ADJUSTER SWITCH DRIVER SEAT LUMBAR SWITCH (PASSENGER) SLIDING REAR WNDOW CLOSE RELAY SLIDING REAR WNDOW OPEN RELAY THEFT DETERRENT MODULE TO RUN/CRANK RELAY (DIAGRAM 5 OF 5) TRANSFER CASE SHIFT CONTROL MODULE TRANSMISSION CONTROL MODULE (TCM) WHT WIRE WINDOW SWITCH (PASSENGER) PASSENGER DOOR SWITCH (PDS) WINDOW SWITCH (RIGHT REAR) YEL WIRE YEL/BLK WIRE

4.3L 6 SPEED A/T AUTOMATIC TRANSMISSION MANUAL SHIFT SWITCH AUTOMATIC TRANSMISSION SHIFT LEVER BODY CONTROL MODULE (BCM) BRN WIRE DK BLU WIRE DLIS FUSE 35 EXCEPT 4.3L FROM LBEC 1 FUSE 64 (DIAGRAM 3 OF 6) FROM UNDERHOOD FUSE BLOCK (DIAGRAM 3 OF 6) IGN IGN VOLT IGNITION SWITCH INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL LEFT I/P J/B (LOWER LEFT SIDE OF DASH) LEFT STEERING WHEEL CONTROL SWITCH NCA WIRE OFF ORG/ WIRE PASSENGER WINDOW RIGHT STEERING SWITCH WHEEL CONTROL SWITCH PNK WIRE PNK/BLK WIRE POWER SUPPLY RED/WHT WIRE RIGHT I/P J/B (IN RIGHT END OF DASH) RUN WIRE SUNROOF DRIVER CONTROL WINDOW MODULE SWITCH (IF EQUIPPED) THEFT DETERRENT MODULE (TDM) TO RUN/CRNK RELAY (DIAGRAM 5 OF 6) TO UNDERHOOD FUSE BLOCK (DIAGRAM 5 OF 6) TRANSFER CASE SHIFT CONTROL MODULE TRANSFER CASE SHIFT CONTROL SWITCH TRANSMISSION ENGINE CONTROL CONTROL MODULE MODULE (TCM) (ECM) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) W/ 10 SERIES W/ 4 SPEED, ACCESSORY STEERING WHEEL, AUTOMATIC ELECTRONIC CRUISE CONTROL W/ 6-SPEED W/ ACCESSORY STEERING WHEEL, AUTOMATIC ELECTRONIC CRUISE CONTROL W/0 10 SERIES, W/O ACCESSORY STEERING WHEEL, AUTOMATIC ELECTRONIC CRUISE CONTROL W/O W/ ACCESSORY ACCESSORY STEERING STEERING WHEEL WHEEL CONTROL CONTROL WHT WIRE YEL WIRE

6 SPEED A/T AIRBAG IGN AUX HVAC- IGN BCK/UP LAMP PCB RELAY BRN WIRE CHMSL PCB RELAY PARK LAMP RELAY DRL PCB RELAY ECM-IGN FUSE 58 ENG EXH VLV ENGINE CONTROL MODULE (ECM) EXCEPT STEERING WHEEL HEATER FOG LAMP RELAY FROM LGM FUSE (DIAGRAM 1 OF 5) FROM BCM FRONT AXLE ACTUATOR FUEL PUMP RELAY (SECONDARY) (DUAL TANKS) FUEL SYSTEM CONTROL MODULE FUSE FUSE 20 FUSE 41 FUSE 50 FUSE 57 FUSE BLOCK (UNDERHOOD) (RIGHT SIDE OF FIREWALL) HDLP LO/ HID RELAY HEATED STEERING HI BEAM PCB RELAY HVAC- IGN IGN INFLATABLE RESTRAINT I/P MODULE DISABLE SWITCH INFLATABLE RESTRAINT PASSENGER AIR BAG ON/ OFF INDICATOR INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL J/B (LEFT I/P) L/GATE PCB RELAY REAR WASH PCB RELAY MAN A/C MISC IGN SEO/ALC FUSE 44 FUSE 56 MODE AIR ACTUATOR TEMPERATURE ACTUATOR PNK PNK WIRE PNK WIRE POWER TAKE-OFF PROVISION (BLUNT CUT) PNK PNK WIRE PWR/TRN RELAY RECIRCULATION ACTUATOR RED WIRE RELAY RUN/CRANK RELAY STOP LAMP SWITCH TRAILER BRAKE CONTROLLER MODULE (TBCM) TRANS IGN 1 TRANSFER CASE SHIFT CONTROL MODULE TRANSMISSION AUTOMATIC CONTROL MODULE (TCM) TRANSMISSION TRANSMISSION FRONT CONTROL MODULE (TCM) AXLE ACTUATOR TRLR LT STOP/TURN RELAY TRLR RT STOP/TURN RELAY

6 SPEED A/T ALLISON LCT 1000 A/C CMPRSR RELAY AIR BAG IGN FUSE 37 BCK/UP LAMP PCB RELAY BLK WIRE BLUNT CUT POWER TAKE-OFF (PTO) PROVISION TRAILER BRAKE CONTROL MODULE BRN WIRE CHMSL REAR COMFORT, DECOR LEVEL 3 CONVENIENCE PACKAGE, W/ LUXURY CONTROL PCB RELAY AUX HVAC- IGN FUSE 45 DRL PCB RELAY EAP FUSE 35 ECM IGN FUSE 53 ELECTRONIC, ACTIVE 2 SPEED ENGINE CONTROL MODULE (ECM) FAN FUSE 68 FAN RLY RELAY FOG LAMP RELAY FROM BODY CONTROL MODULE (DIAGRAM 4 OF 5) FROM DLIS FUSE 32 (DIAGRAM 4 OF 5) FRONT DRIVE AXLE AXLE (W/ ACTIVE 2 SPEED PUSH- BUTTON CONTROL TRANSFER CASE) FRT WASH PCB RELAY FRT WPR FUSE FUSE 33 GLOW PLUG CONTROL MODULE (GPCM) HDLP LO/HID RELAY HEATED STEERING WHEEL CONTROL MODULE HEATED STEERING WHEEL CONTROL MODULE INLINE FUSE HI BEAM PCB RELAY HORN PWR/TRN PCB RELAY RELAY HVAC-IGN FUSE 52 INFLATABLE RESTRAINT I/P MODULE ON/OFF INDICATOR (IF EQUIPPED) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL L/GATE PCB RELAY LEFT AIR TEMPERATURE ACTUATOR (AUTOMATIC A/C) LEFT I/P J/B (LOWER LEFT SIDE OF DASH) LEFT I/P J/B (LOWER LEFT SIDE OF DASH) PNK (NOT USED) WIRE MISC IGN FUSE 40 MODE ACTUATOR NCA WIRE PARK ELECTRONIC ENABLE ADJUSTABLE PCB PEDALS RELAY PCB RELAY PNK WIRE PNK/WHT WIRE POWER TAKE OFF (PTO) MODULE (IF EQUIPPED) PRK LAMP RELAY REAR VIEW SEAT CLIMATE CAMERA CONTROL MODLE REAR WIPER FUEL WASH SPEED PCB PMP DEFOG PCB PCB RELAY RELAY RELAY RELAY RELAY REARVIEW BLUNT CUT CAMERA POWER TAKE-OFF IMAGE DISPLAY (PTO) MODULE PROVISION REARVIEW CAMERA IMAGE DISPLAY MODULE RECIRCULATION ACTUATOR RED WIRE RED/WHT WIRE RIGHT I/P J/B (IN RIGHT END OF DASH) RUN/ CRNK RELAY SECURITY VEHICLE INDICATOR INCLINATION LAMP SENSOR SEO SEO/ALC FUSE 51 STOP LAMP SWITCH STRTR RELAY TRANS IGN 1 FUSE 13 TRANSFER CASE SHIFT CONTROL MODULE TRANSMISSION CONTROL MODULE (TCM) TRLR LT STOP/TURN PCB RELAY TRLR RT STOP/TURN PCB RELAY VEHICLE SHOCK SENSOR W/ SPO ALARM W/O 2 SPEED TRANSFER CASE W/O FRONT W/ FRONT SEAT COOLING SEAT COOLING HEATER HEATER W/O W/ STEERING STEERING WHEEL WHEEL HEATER HEATER WIPER YEL WIRE