Chevrolet Cab & Chassis Silverado 3500 HD (2008-2011) wsw/htr fuse 66 Wiring diagrams

4 SPEED 6 SPEED A/T A/T 6.0L (VIN G) AUTOMATIC A/C AUTOMATIC TRANSMISSION AUXILIARY BATTERY RELAY (IF EQUIPPED) (REAR OF ENGINE COMPT) AUXILIARY RIGHT I/P J/B (IN RIGHT END OF DASH) BATTERY BLK WIRE BODY BUILDER EMERGENCY LAMP CYLINDER HEAD) MOBILE RADIO PROVISION (BLUNT CUT) DK GRN WIRE ECM- TCM-BATT BATT FUSE 14 FUSE 12 EMERGENCY LAMP PROVISIONS EMERGENCY VEHICLE PROVISION (BLUNT CUT) EVAPORATIVE HVAC EMISSION (EVAP) CONTROL CANISTER VENT MODULE SOLENOID VALVE EXCEPT 6.0L (VIN J) FUSE FUSE FUSE FUSE SUPPLY) (BEHIND RIGHT SIDE OF DASH) FUSIBLE LINK 1 (14 GA- FUSIBLE LINK 2 (14 GA- FUSIBLE LINK 3 GENERATOR HDLP WASH FUSE 22 HEATED SEAT CONTROL MODULE (IF EQUIPPED) HVAC BATT FUSE 39 I/P 1 ACCESSORY POWER OUTLET DATA LINK CONNECTOR (DLC) INSTRUMENT BODY CONTROL PANEL MODULE CLUSTER (IPC) (BCM) IPC FUSE 46 ITBC FUSE 6 TREC FUSE 67 FUSE 37 LEFT BATTERY LEFT I/P J/B (LOWER LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE LTR STUD 2 FUSE 53 FUSE 63 MANUAL A/C MOBILE RADIO FUSE BLOCK MODULE ORG/ WIRE POWER SUPPLY POWER SUPPLY, AUXILIARY BATTERY RED WIRE RED/ WHT WIRE RED/BLK WIRE RED/WHT WIRE RELAY RELAY A RELAY B RIGHT BATTERY RUN WIRE STARTER MOTOR TO AUXILIARY FUSE BLOCK (DIAGRAM 7 OF 7) TO LEFT I/P J/B (DIAGRAM 4 OF 7) TO STUD 1 FUSE 68 (DIAGRAM 2 OF 7) TO UNDERHOOD FUSE BLOCK (DIAGRAM 6 OF 7) TO UNDERHOOD FUSE BLOCK TO ROOF BEACON (DIAGRAM SWITCH (DIAGRAM 3 OF 7) 2 OF 7) TRAILER BRAKE CONTROL RELAY (IF EQUIPPED) TRAILER PROVISION (BLUNT CUT) TRANSMISSION ENGINE CONTROL CONTROL MODULE MODULE (TCM) (ECM) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UNDERHOOD FUSE HOLDER (ON POSITIVE BATTERY TERMINAL) W/ ACTIVE 2 SPEED W/ AUXILIARY BATTERY W/ AUXILIARY BATTERY TO UNDERHOOD FUSE BLOCK (DIAGRAM 2 OF 7) W/ DUAL BATTERY W/ ELECTRONIC 2 SPEED, ACTIVE 2 SPEED W/ EMERGENCY VEHICLE ROOF LAMP RELAY W/ WRECKER W/ WRECKER RELAY (4.3L) (TOP LEFT REAR OF ENGINE) WHT RED/ WIRE WHT WIRE WRECKER RELAY WSW/HTR FUSE 66 YEL WIRE

6 SPEED A/T 6.0L (VIN K) AUTOMATIC A/C AUXILIARY BATTERY AUXILIARY BATTERY RELAY (IF EQUIPPED) (REAR OF ENGINE COMPT) BLK WIRE BODY BUILDER EMERGENCY LAMP BODY INSTRUMENT CONTROL PANEL MODULE CLUSTER (BCM) (IPC) DK GRN WIRE EMERGENCY VEHICLE WIRING (BLUNT CUT) ENGINE TRANSMISSION CONTROL CONTROL MODULE MODULE (ECM) (TCM) EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID VALVE FROM LEFT I/P J/B (DIAGRAM 4 OF 6) FROM UNDERHOOD FUSE BLOCK (DIAGRAM 6 OF 6) FUSE FUSE FUSE FUSE HOLDER (RIGHT SIDE FUSIBLE LINK 1 (14 GA- FUSIBLE LINK 2 (14 GA- FUSIBLE LINK 3 GENERATOR HDLP WASH FUSE 22 HVAC CONTROL MODULE (ON RIGHT FRONT CORNER OF HVAC MODULE) HVAC LTR BATT FUSE 53 FUSE 39 I/P 1 ACCESSORY POWER OUTLET DATA LINK CONNECTOR (DLC) MANUAL A/C IPC FUSE 46 ITBC FUSE 6 TREC FUSE 67 FUSE 37 LEFT BATTERY LEFT I/P J/B (LOWER LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MEGA FUSE (RIGHT REAR OF ENGINE COMPT) MEGA MEGA FUSE FUSE MEGA OF FIREWALL) FUSE MOBILE RADIO FUSE BLOCK FUSE (BEHIND RIGHT SIDE OF DASH) MODULE NCA WIRE ORG/ WIRE POWER SUPPLY POWER SUPPLY, AUXILIARY BATTERY RED WIRE RED/BLK WIRE RED/WHT WIRE RELAY RELAY A RELAY B RIGHT BATTERY RIGHT I/P J/B (IN RIGHT END OF DASH) RUN WIRE STARTER STUD 2 FUSE 63 TCM-BATT ECM- FUSE 14 BATT FUSE 12 TO ROOF BEACON SWITCH (DIAGRAM 2 OF 6) TO STUD 1 FUSE 68 (DIAGRAM 2 OF 6) TO UNDERHOOD FUSE BLOCK (DIAGRAM 2 OF 6) TO UNDERHOOD FUSE BLOCK (DIAGRAM 3 OF 6) TRAILER BRAKE (BLUNT CUT) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) W/ AUXILIARY BATTERY W/ EMERGENCY VEHICLE ROOF LAMP RELAY W/ WRECKER EMERGENCY LAMP PROVISIONS W/ WRECKER RELAY (4.3L) (TOP LEFT REAR OF ENGINE) WHT WIRE WRECKER RELAY WSW/HTR FUSE 66 YEL WIRE

4 SPEED 6 SPEED A/T A/T 6.0L (VIN K), 6.0L (VIN G) 7 OF 7) AUTOMATIC A/C AUTOMATIC TRANSMISSION AUXILIARY BATTERY RELAY (IF EQUIPPED) (REAR OF ENGINE COMPT) AUXILIARY BATTERY RIGHT I/P J/B (IN RIGHT END OF DASH) RELAY BLK WIRE BODY BUILDER EMERGENCY LAMP CYLINDER HEAD) MOBILE RADIO PROVISION (BLUNT CUT) DK GRN WIRE ECM- TCM-BATT BATT FUSE 14 FUSE 12 EMERGENCY LAMP PROVISIONS EMERGENCY VEHICLE PROVISION (BLUNT CUT) EVAPORATIVE HVAC EMISSION (EVAP) CONTROL CANISTER VENT MODULE SOLENOID VALVE EXCEPT 6.0L (VIN J) FUSE FUSE FUSE FUSE SUPPLY) (BEHIND RIGHT SIDE OF DASH) FUSIBLE LINK 1 (14 GA- FUSIBLE LINK 2 (14 GA- FUSIBLE LINK 3 GENERATOR HDLP WASH FUSE 22 HEATED SEAT CONTROL MODULE (IF EQUIPPED) HVAC BATT FUSE 39 I/P 1 ACCESSORY POWER OUTLET DATA LINK CONNECTOR (DLC) INSTRUMENT BODY CONTROL PANEL MODULE CLUSTER (IPC) (BCM) IPC FUSE 46 ITBC FUSE 6 TREC FUSE 67 FUSE 37 LEFT BATTERY LEFT I/P J/B (LOWER LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE LTR STUD 2 FUSE 53 FUSE 63 MANUAL A/C MOBILE RADIO FUSE BLOCK MODULE ORG/ WIRE POWER SUPPLY POWER SUPPLY, AUXILIARY BATTERY RED WIRE RED/ WHT WIRE RED/BLK WIRE RED/WHT WIRE RELAY A RELAY B RIGHT BATTERY RUN WIRE STARTER MOTOR TO AUXILIARY FUSE BLOCK (DIAGRAM TO AUXILIARY FUSE BLOCK (DIAGRAM 7 OF 7) TO LEFT I/P J/B (DIAGRAM 4 OF 7) TO STUD 1 FUSE 68 (DIAGRAM 2 OF 7) TO UNDERHOOD FUSE BLOCK (DIAGRAM 6 OF 7) TO UNDERHOOD FUSE BLOCK TO ROOF (DIAGRAM BEACON SWITCH 3 OF 7) (DIAGRAM 2 OF 7) TRAILER BRAKE CONTROL RELAY (IF EQUIPPED) TRAILER PROVISION (BLUNT CUT) TRANSMISSION ENGINE CONTROL CONTROL MODULE MODULE (TCM) (ECM) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UNDERHOOD FUSE HOLDER (ON POSITIVE BATTERY TERMINAL) W/ ACTIVE 2 SPEED W/ AUXILIARY BATTERY W/ AUXILIARY BATTERY TO UNDERHOOD FUSE BLOCK (DIAGRAM 2 OF 7) W/ DUAL BATTERY W/ ELECTRONIC 2 SPEED, ACTIVE 2 SPEED W/ EMERGENCY VEHICLE ROOF LAMP RELAY W/ WRECKER W/ WRECKER RELAY (4.3L) (TOP LEFT REAR OF ENGINE) WHT RED/ WIRE WHT WIRE WRECKER RELAY WSW/HTR FUSE 66 YEL WIRE

4 SPEED 6 SPEED A/T A/T 6.0L (VIN 5) AUTOMATIC A/C AUTOMATIC TRANSMISSION AUXILIARY BATTERY AUXILIARY BATTERY RELAY (IF EQUIPPED) (REAR OF ENGINE COMPT) BLK WIRE BODY BUILDER EMERGENCY LAMP DK GRN WIRE ECM- TCM-BATT HDLP BATT WASH FUSE 14 FUSE 12 FUSE 22 ELECTRONIC, ACTIVE 2 SPEED ACTIVE 2 SPEED 6.0L (VIN K) EMERGENCY LAMP PROVISIONS EMERGENCY VEHICLE PROVISION (BLUNT CUT) EXCEPT 6.0L (VIN 5) FUSE FUSE FUSE FUSE HOLDER (RIGHT SIDE FUSIBLE LINK 1 (14 GA- FUSIBLE LINK 2 (14 GA- FUSIBLE LINK 3 GENERATOR HVAC BATT FUSE 39 I/P 1 ACCESSORY POWER OUTLET DATA LINK CONNECTOR (DLC) INSTRUMENT BODY CONTROL PANEL MODULE CLUSTER (IPC) (BCM) IPC FUSE 46 ITBC FUSE 6 TREC FUSE 67 FUSE 37 LEFT BATTERY LEFT I/P J/B (LOWER LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE LTR STUD 2 FUSE 53 FUSE 63 MANUAL A/C MEGA FUSE MEGA FUSE (RIGHT REAR OF ENGINE COMPT) MEGA MEGA OF FIREWALL) FUSE FUSE MOBILE RADIO FUSE BLOCK FUSE (BEHIND RIGHT SIDE OF DASH) MODULE NCA WIRE ORG/ WIRE POWER SUPPLY POWER SUPPLY, AUXILIARY BATTERY RED WIRE RED/ WHT WIRE RED/BLK WIRE RED/WHT WIRE RELAY RELAY A RELAY B RIGHT BATTERY RIGHT I/P J/B (IN RIGHT END OF DASH) RUN WIRE STARTER MOTOR TO AUXILIARY FUSE BLOCK (DIAGRAM 7 OF 7) TO LEFT I/P J/B (DIAGRAM 4 OF 7) TO ROOF BEACON SWITCH (DIAGRAM 2 OF 7) TO STUD 1 FUSE 68 (DIAGRAM 2 OF 7) TO UNDERHOOD FUSE BLOCK (DIAGRAM 2 OF 7) TO UNDERHOOD FUSE BLOCK (DIAGRAM 3 OF 7) TO UNDERHOOD FUSE BLOCK (DIAGRAM 6 OF 7) TRAILER PROVISION (BLUNT CUT) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) W/ AUXILIARY BATTERY W/ EMERGENCY VEHICLE ROOF LAMP RELAY W/ WRECKER W/ WRECKER RELAY (4.3L) (TOP LEFT REAR OF ENGINE) WHT RED/ WIRE WHT WIRE WRECKER RELAY WSW/HTR FUSE 66 YEL WIRE