Power distribution circuit for Chevrolet Chevy Express G1500 (1996-2012)

4.3L/ 5.3L ABS MDL FUSE 60 ABS MTR FUSE 61 AUX PWR OUTLET FUSE 33 BATTERY BCM 1 FUSE 20 BCM 2 FUSE 37 BCM 3 FUSE 26 BCM 4 FUSE 22 BCM 5 FUSE 27 BCM 6 FUSE 23 BCM 7 FUSE 25 BLK WIRE BLOWER MOTOR RESISTOR BODY CONTROL MODULE (BCM) BODY FUSE BLOCK (UNDER LEFT FRONT SEAT) BRN WIRE CENTER CONSOLE 1 ACCESSORY CENTER CONSOLE 2 ACCESSORY POWER OUTLET CIGAR LIGHTER CNSTR VENT SOL FUSE 17 DATA LINK CONNECTOR (DLC) ECM BATT FUSE 54 ELECTRONIC BRAKE CONTROL MODULE (EBCM) ENGINE CONTROL MODULE (ECM) EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID VALVE FCSM BATT SEO FUSE 15 FUSE 21 FRT BLWR FUSE 66 FUSIBLE LINK 2 FUSIBLE LINK 3 GENERATOR LTR/DLC FUSE 38 POWER OUTLET RED WIRE RED/BLK WIRE RED/WHT WIRE STARTER MOTOR TCM BATT FUSE 44 TO CMPS FUSE 2 (DIAGRAM 4 OF 4) TO HIGH BEAM PCB RELAY (DIAGRAM 2 OF 4) TO RUN RELAY 39 (DIAGRAM 4 OF 4) TRAILER CONNECTOR TRANSMISSION CONTROL MODULE (TCM) TRLR WRG FUSE 35 TRLR WRG FUSE 62 UPFTR AUX 2 FUSE 35 UPFTR AUX 2 RELAY 42 (CUTAWAY, AMBULANCE, RV UPFITTERS) W/ ACTIVE BRAKE CONTROL W/ CIGAR LIGHTER W/ CUTAWAY UPFITTER W/ RV UPFITTER W/ TRUCK TRAILER W/O ACTIVE BRAKE CONTROL W/O CIGAR LIGHTER

4.3L/ 5.3L 4.8L 6.0L 6.6L 6.6L 6.6L EXCEPT ABS MDL FUSE 2 ABS MTR FUSE 1 AUX PWR OUTLET FUSE 25 AUXILIARY BATTERY AUXILIARY GENERATOR BATTERY BCM 2 FUSE 58 BCM 1 FUSE 59 BCM 3 FUSE 26 BCM 7 FUSE 8 BCM 4 FUSE 9 BCM 5 FUSE 7 BCM 6 FUSE 72 BLK WIRE BLOWER MOTOR RESISTOR BLUNT CUT) BODY CONTROL MODULE (BCM) BODY FUSE BLOCK (UNDER LEFT FRONT SEAT) BRN WIRE CENTER CONSOLE 1 ACCESSORY CENTER CONSOLE 2 ACCESSORY CIGAR LIGHTER CNSTR VENT SOL FUSE 56 CONTROL SOLENOID VALVE ASSEMBLY COOLANT HEATER (W/ AUXILIARY HEATER) DATA LINK CONNECTOR (DLC) ECM BATT FUSE 19 ELECTRONIC BRAKE CONTROL MODULE (EBCM) ENGINE CONTROL MODULE (ECM) EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID VALVE FOH MDL FUSE 35 FROM CMPS FUSE 19 (DIAGRAM 4 OF 5) FROM RUN FRT BLWR FUSE 74 FUEL PUMP FLOW CONTROL MODULE (5.3L) (PROVISIONAL (BLUNT WIRING CUT) BLUNT CUT) FUSIBLE LINK 1 FUSIBLE LINK 2 FUSIBLE LINK 3 FUSIBLE LINK 4 FUSIBLE LINK 5 (W/ DUAL GENERATOR GENERATOR GLOW PLUG CONTROL MODULE (GPCM) INSTRUMENT PANEL CLUSTER (IPC) (W/ ODOMETER SECURITY WIRING PROVISION (SEO)) INTAKE AIR HEATER (IAH) LTR/DLC FUSE 73 POWER OUTLET RED WIRE RED/BLK WIRE RED/WHT WIRE SEO FUSE 27 STARTER MOTOR TCM BATT FUSE 32 TO HIGH BEAM PCB TRAILER CONNECTOR TRANSMISSION CONTROL MODULE (TCM) AUTOMATIC TRANSMISSION TRLR WRG FCSM BATT FUSE 11 FUSE 36 TRLR WRG FUSE 42 UNDERHOOD JUNCTION BLOCK UPFTR AUX 2 W/ 4 SPEED W/ 6 SPEED A/T A/T W/ ACTIVE BRAKE CONTROL W/ CIGAR LIGHTER W/ RV UPFITTER W/ TRUCK TRAILER W/ W/ RV CUTAWAY UPFITTER UPFITTER W/O ACTIVE BRAKE CONTROL W/O CIGAR LIGHTER

ABS/VSE FUSE 48 AUX PWR FUSE 29 IPC FUSE 31 AUXILIARY POWER OUTLET 2 BATTERY BLK WIRE BLOW FUSE 51 BLOWER MOTOR RESISTOR ASSEMBLY BODY CONTROL MODULE (BCM) BODY FUSE BLOCK CHIME (W/O RADIO) CIGAR LIGHTER AUXILIARY POWER OUTLET 1 DATA LINK CONNECTOR (DLC) DRIVER SEAT ADJUSTER SWITCH (IF EQUIPPED) ELECTRONIC BRAKE CONTROL MODULE (EBCM) FROM UNDERHOOD FUSE BLOCK (RFA FUSE 20) (DIAGRAM 1 OF 6) FRONT PASSENGER SEAT ADJUSTER SWITCH (IF EQUIPPED) FUSIBLE LINK 2 FUSIBLE LINK 3 GENERATOR HAZRD FUSE 14 INSTRUMENT PANEL CLUSTER (IPC) LEFT TRAILER STOP/TURN RELAY (IF EQUIPPED) LTR FUSE 30 MEGA FUSE 65 ORG/ WIRE PCM BAT FUSE 2 POWERTRAIN CONTROL MODULE (PCM) PWR SEAT CIRCUIT BREAKER 60 RADIO (W/ RADIO) HVAC CONTROL ASSEMBLY RADIO BAT FUSE 1 RR DEF/HTD MIR FUSE 8 RED WIRE RED/BLK WIRE RED/WHT WIRE REMOTE CONTROL DOOR LOCK RECEIVER (IF EQUIPPED) RFA FUSE 20 RIGHT TRAILER STOP/TURN RELAY (IF EQUIPPED) SPARE FUSE 64 STARTER STOP LAMP SWITCH STOP LP FUSE 7 TBC 2 FUSE 18 TBC 3 FUSE 16 TBC 4 FUSE 11 TBC FUSE 19 TO BODY FUSE BLOCK (DOOR LKS FUSE 15) (DIAGRAM 2 OF 6) TO UNDERHOOD FUSE BLOCK (CAN VENT FUSE 34) (DIAGRAM 2 OF 6) TO UNDERHOOD FUSE BLOCK (TBC FUSE 19) (DIAGRAM 1 OF 6) TRL STOP/TRN FUSE 17 TRLR FUSE 13 TRLR FUSE 50 TURN SIGNAL/ HAZARD FLASHER MODULE UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) W/ CIGAR LIGHTER W/ REAR WINDOW DEFOGGER/ HEATED MIRRORS W/O CIGAR LIGHTER

4.3L A/C CMPRSR RELAY 74 (MANUAL A/C) BANK 1 BANK 2 SENSOR 1 SENSOR 1 BANK 2 BANK 1 SENSOR 2 SENSOR 2 BREAKOUT) CENTRAL SEQUENTIAL FUEL INJECTION (CENTRAL SFI) (4.3L) CRNK RELAY 73 DRL PCB RELAY ECM PWR/TRN FUSE 50 ENGINE CONTROL MODULE (ECM) EVAPORATIVE EMISSION (EVAP) CANISTER PURGE SOLENOID VALVE EVEN IGN INJ FUSE 52 (EXCEPT 4.3L) EXCEPT 4.3L EXCEPT 4.3L 4.3L FROM TRLR WRG FUSE (DIAGRAM 1 OF 4) FUEL FUEL IGNITION INJECTOR INJECTOR COIL FUEL FUEL INJECTOR INJECTOR FUEL INJECTOR FUEL PUMP RELAY 72 FUSE 46 FUSE 56 HEATED HEATED OXYGEN OXYGEN SENSOR SENSOR HI WPR RELAY 70 HIGH BEAM PCB RELAY HORN PCB RELAY IGNITION COIL IGNITION CONTROL MODULE (ICM) IGNITION IGNITION COIL COIL IGNITION IGNITION IGNITION COIL COIL COIL INJ FUSE 59 LOW BEAM PCB RELAY MAF/CNSTR VENT FUSE 49 MASS AIR FLOW (MAF)/ INTAKE AIR TEMPERATURE (IAT) SENSOR MEGA FUSE 77 NCA WIRE ODD IGN INJ FUSE 55 PNK WIRE PWR/TRN RELAY 76 RED/BLK WIRE STOP LAMPS PCB RELAY (CUTAWAY) TO BODY FUSE BLOCK (DIAGRAM 4 OF 4) TO RUN/CRNK RELAY 69 (DIAGRAM 3 OF 4) TRAILER LH STOP/TURN PCB RELAY (W/ TRUCK TRAILER) TRAILER RH STOP/TURN PCB RELAY (W/ TRUCK TRAILER) WASHER PCB RELAY WPR FUSE 39 WPR RELAY 71 YEL WIRE

4.3L 4.8L, 5.3L, 4.3L 6.0L 4.8L, 5.3L, 6.0L 4.8L, 5.3L, 6.6L 6.0L A/C CMPRSR RELAY 40 (MANUAL A/C) BANK 1 SENSOR 1 BANK 2 BANK 1 SENSOR 2 SENSOR 2 BANK 2 SENSOR 1 BLK WIRE BREAKOUT) CENTRAL SEQUENTIAL FUEL INJECTION (CENTRAL SFI) (4.3L) CRNK RELAY 39 CUTAWAY DRL PCB ECM MAF/CNSTR PWR/TRN VENT FUSE 64 FUSE 78 ENGINE CONTROL MODULE (ECM) ENGINE COOLING FAN (6.6L) EVEN IGN/ FUEL INJ INJ FUSE 79 FUSE 75 (DIAGRAM 2 OF 5) FAN CLTCH (EV) FUSE 63 (6.6L) ECM PWR/TRN FAN CLTCH (EV) RELAY 50 (6.6L) FUSE 45 FROM TRLR WRG FUSE 42 (DIAGRAM 1 OF 5) FUEL FUEL FUEL FUEL INJECTOR INJECTOR INJECTOR INJECTOR FUEL FUEL INJECTOR INJECTOR FUEL HEATER (6.6L) FUEL HTR FUSE 71 FUEL INJECTOR FUEL INJECTOR FUEL FUEL INJECTOR INJECTOR FUEL PUMP RELAY 38 HEATED HEATED OXYGEN OXYGEN SENSOR SENSOR HEATED OXYGEN SENSOR HI BEAM HORN/WASH PCB IGNITION IGNITION IGNITION IGNITION COIL 2 COIL 4 COIL 6 COIL 8 IGNITION IGNITION IGNITION IGNITION COIL 3 COIL 1 COIL 5 COIL 7 INJ FUSE 75 LO BEAM LPG FUEL VEHICLE, 3 TANK VEHICLE KIT LPG FUEL VEHICLE, 4 TANK VEHICLE KIT MEGA FUSE NCA WIRE ODD IGN/ INJ FUSE 65 (EXCEPT 6.6L) PNK (OR RED) WIRE PNK WIRE PNK/BLK WIRE PWR/TRN RELAY 49 RED WIRE RED/BLK WIRE REDUCTANT HEATED SENSOR OXYGEN MODULE SENSOR STOP LAMPS TO BODY FUSE BLOCK (DIAGRAM 4 OF 5) TO EVEN IGN/INJ FUSE 79 (DIAGRAM 2 OF 5) TO FUSE HOLDER (DIAGRAM 5 OF 5) TO RUN/CRNK RELAY 15 (DIAGRAM 3 OF 5) TRLR LT STOP/TRN TRLR RT STOP/TRN W/ CUTAWAY W/ TRUCK TRAILER WPR FUSE 55 WPR PCB WPR-HI PCB YEL WIRE

A/C FUSE 32 A/C RELAY 54 AUXILIARY 2 FUSE 33 REAR DOOR LKS FUSE 5 AUXILIARY RELAY 24 CAN VENT FUSE 34 CARGO UNLK RELAY 27 COMPOSITE+ DK GRN/WHT WIRE DOOR LKS FUSE 15 DOOR LKS RELAY 30 DRV LKS FUSE 7 HTD MIR/DEFOG FUSE 12 DRV UNLK RELAY 28 EVAPORATIVE EMISSIONS (EVAP) CANISTER VENT SOLENOID FROM UNDERHOOD FUSE BLOCK (HDLP HI BEAM RELAY) (DIAGRAM 2 OF 6) FROM UNDERHOOD FUSE BLOCK (MEGA FUSE 65) (DIAGRAM 1 OF 6) FROM UNDERHOOD FUSE BLOCK (PWR SEAT CIRCUIT BREAKER 60) (DIAGRAM 1 OF 6) FUEL PUMP FUSE 12 FUEL PUMP RELAY 57 HDLP HI BEAM RELAY 56 HDLP LO BEAM RELAY 58 HORN FUSE 15 HORN RELAY 59 IGN A FUSE 49 IGN B FUSE 52 LEFT HEADLAMP LEFT HI BEAM FUSE 44 LEFT HIGH BEAM HEADLAMP LEFT LO BEAM FUSE 43 LEFT LOW BEAM HEADLAMP LT GRN/BLK WIRE PASS UNLK RELAY 31 RED/BLK WIRE RED/WHT WIRE RIGHT HEADLAMP RIGHT HI BEAM FUSE 45 RIGHT HIGH BEAM HEADLAMP RIGHT LO BEAM FUSE 42 RIGHT LOW BEAM HEADLAMP RR DEFOG RELAY 25 SEALED SPARE FUSE 33 SPARE RELAY 55 SPARE RELAY 62 STARTER RELAY 61 TAN/WHT WIRE TO BODY FUSE BLOCK (PARK LP RELAY) (DIAGRAM 3 OF 6) TO IGNITION SWITCH (DIAGRAM 3 OF 6) TO UNDERHOOD FUSE BLOCK (IGN A FUSE 49) (DIAGRAM 2 OF 6) WSW FUSE 41 WSW RELAY 53 YEL WIRE

4.8L 6.0L 5.3L AIR BAG FUSE 34 AUTOMATIC TRANSMISSION BLK WIRE BODY CONTROL MODULE (BCM) BREAKOUT FOR REAR FUSE BLOCK) BRK SW FUSE 32 BRN WIRE CONNECTOR DK BLU WIRE DOME FLUORESCENT WORK LAMPS FUSE 2 ECM IGN FUSE 48 ELECTRONIC BRAKE CONTROL MODULE (EBCM) ENGINE CONTROL MODULE (ECM) ENGINE CONTROL MODULE (EDM) EXCEPT 4.3L 4.3L FLUORESCENT WORK LAMP RELAY FROM MEGA FUSE 77 (DIAGRAM 2 OF 4) FSCM IGN FUSE 11 FUEL PUMP FLOW CONTROL MODULE FUEL PUMP FLOW CONTROL MODULE (5.3L) HARNESS, 15 CM FROM REAR FUSE BLOCK) HARNESS, 7 CM FROM HARNESS, 8 CM FROM REAR FUSE BLOCK) IGNITION SWITCH INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) INSTRUMENT PANEL CLUSTER (IPC) IP CLSTR FUSE 30 KEY-IN SWITCH LEFT FRONT ACCESS PANEL RELAY 5 LEFT REAR ACCESS PANEL RELAY 1 LT BLU WIRE OFF ORG/ WIRE PANEL ACTUATOR FUSE 3 PNK WIRE REAR FUSE BLOCK (ON LEFT "B" PILLAR) RED WIRE RED/ WHT WIRE RED/BLK WIRE RIGHT ACCESS PANEL RELAY 6 RUN WIRE RUN/CRNK RELAY 69 STEERING WHEEL SPEED/ POSITION SENSOR STOP LAMP SWITCH STR/WHL SNSR FUSE 36 (W/ ACTIVE CONTROL BRAKE) TCM IGN FUSE 47 THEFT DETERRENT MODULE (TDM) TO BODY FUSE BLOCK (DIAGRAM 4 OF 4) TRANS FUSE 51 TRANSMISSION CONTROL MODULE (TCM) UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) W/ CARGO W/ POWER BRAKE W/ ACTIVE BRAKE CONTROL W/O RV UPFITTER, MANUAL W/ MANUAL SUPPRESSION SUPPRESSION WHT RED/ WIRE WHT WIRE YEL WIRE

AIR BAG FUSE 28 BLK WIRE BODY CONTROL MODULE (BCM) BREAKOUT FOR REAR FUSE BLOCK) BRK SW IPC FUSE 10 FUSE 13 BRN WIRE CONNECTOR DK BLU WIRE DOME FLUORESCENT WORK LAMPS FUSE 2 FLUORESCENT WORK LAMP RELAY FROM BODY FUSE BLOCK (DIAGRAM 4 OF 5) FROM MEGA FUSE (DIAGRAM 2 OF 5) FSCM IGN FUSE 6 FUEL PUMP FLOW CONTROL MODULE (5.3L) HARNESS, 15 CM FROM REAR FUSE BLOCK) HARNESS, 7 CM FROM HARNESS, 8 CM FROM REAR FUSE BLOCK) IGN IGNITION SWITCH INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) INSTRUMENT PANEL CLUSTER (IPC) KEY-IN SWITCH LEFT FRONT ACCESS PANEL RELAY 5 LEFT REAR ACCESS PANEL RELAY 1 OFF ORG/ WIRE PANEL ACTUATOR FUSE 3 PNK WIRE REAR FUSE BLOCK (ON LEFT "B" PILLAR) RED WIRE RED/ WHT WIRE RED/BLK WIRE RED/WHT WIRE RIGHT ACCESS PANEL RELAY 6 RUN WIRE RUN/CRNK RELAY 15 STEERING WHEEL SPEED/ POSITION SENSOR STOP LAMP SWITCH STR/WHL SNSR FUSE 29 (W/ ACTIVE BRAKE CONTROL) THEFT DETERRENT MODULE (TDM) TO TRANS FUSE 17 (DIAGRAM 5 OF 5) UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) W/ CARGO LAMP W/O RV UPFITTER, MANUAL W/ MANUAL SUPPRESSION SUPPRESSION WHT WIRE YEL WIRE

AIRBAG FUSE 37 BANK 1 SENSOR 1 BANK 1 SENSOR 2 BANK 2 SENSOR 1 BANK 2 SENSOR 2 BRN WIRE BTSI/BU FUSE 36 SPARE FUSE 35 CRUISE CONTROL MODULE (IF EQUIPPED) THROTTLE ACTUATOR CONTROL MODULE CTSY LP RELAY 26 (RV/UPFITTER) CTSY LP/SEO FUSE 3 DK GRN WIRE FR PRK FUSE 22 FROM UNDERHOOD FUSE BLOCK (IGN A FUSE 49) (DIAGRAM 2 OF 6) FROM UNDERHOOD FUSE BLOCK (IGN B, FUSE 52) (DIAGRAM 2 OF 6) FUSE 39 FUSE 40 HEATED OXYGEN SENSOR HEATED OXYGEN SENSOR HEAVY DUTY IGNITION SWITCH INFLATABLE RESTRAINT I/P MODULE DISABLE SWITCH (HEAVY DUTY) INFLATABLE RESTRAINT PASSENGER AIRBAG OFF/ON INDICATOR INFLATABLE RESTRAINT PASSENGER PRESENCE SYSTEM (PPS) MODULE (LIGHT DUTY) INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE ISRVM FUSE 26 LEFT FRONT MARKER LAMP LEFT FRONT PARK/TURN SIGNAL LAMP LICENSE LAMP LIGHT DUTY LOCK LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE PARK PARK LP RELAY 29 PARK/ NEUTRAL POSITION (PNP) SWITCH REVERSE PCM IGN 1 FUSE 38 PNK WIRE RED/BLK WIRE RIGHT FRONT PARK/TURN SIGNAL LAMP RIGHT FRONT MARKER LAMP RIGHT TAIL/STOP, TURN SIGNAL LAMP LEFT TAIL/STOP, TURN SIGNAL LAMP RR PRK FUSE 20 LR PRK FUSE 18 RUN WIRE SPARE FUSE 25 STEERING WHEEL SPEED/ POSITION SENSOR STOP LAMP SWITCH (BLUNT CUT) (NOT USED) TBC IGN 1 FUSE 24 TO BODY FUSE BLOCK (AUXILIARY 1 FUSE 32) (DIAGRAM 5 OF 6) TO BODY FUSE BLOCK (BRK FUSE 11) (DIAGRAM 5 OF 6) TO UNDERHOOD FUSE BLOCK (CRANK FUSE 27) (DIAGRAM 4 OF 6) TO UNDERHOOD FUSE BLOCK (ENG 2 FUSE 21) (DIAGRAM 4 OF 6) TO UNDERHOOD FUSE BLOCK (IGN O FUSE 6) (DIAGRAM 4 OF 6) TO UNDERHOOD FUSE BLOCK (TBC ACC FUSE 46) (DIAGRAM 4 OF 6) TRAILER WIRING CUTAWAY TRLR BU FUSE 5 BTSI FUSE 28 TRLR PRK FUSE 21 UPFTR PRK FUSE 16 UNDERHOOD FUSE BLOCK WHT WIRE YEL WIRE

AIR BAG AOS FUSE 32 AIR TEMPERATURE ACTUATOR HVAC CONTROL ASSEMBLY ALL DRS LOCK PCB RELAY AUXILIARY AIR TEMPERATURE ACTUATOR AUXILIARY AUXILIARY BLOWER BLOWER MOTOR MOTOR LOW SPEED MEDIUM RELAY SPEED RELAY AUXILIARY BLOWER MOTOR HIGH SPEED RELAY AUXILIARY MODE ACTUATOR BCK/UP LAMP PCB RELAY BLK WIRE BODY CONTROL MODULE (BCM) BODY CONTROL MODULE (BCM) (BEHIND LEFT KICK PANEL) BRN WIRE CGO UNLCK PCB RELAY DK GRN WIRE DRIVER PASSENGER WINDOW WINDOW SWITCH SWITCH (IF (IF EQUIPPED) EQUIPPED) DRIVER SEAT ADJUSTER SWITCH (W/ DRIVER POWER SEAT ADJUSTER) DRV UNLCK PCB RELAY EMPTY FUSE 19 EMPTY FUSE 20 FROM REAR FUSE BLOCK (DIAGRAM 3 OF 4) FROM UNDERHOOD FUSE BLOCK (DIAGRAM 2 OF 4) FROM UPFTR AUX 2 RELAY 42 CMPS FUSE (DIAGRAM 1 OF 4) FUSE 2 HVAC 2 HVAC 1 FUSE 1 FUSE 5 HVAC CONTROL ASSEMBLY (W/ ELECTRIC REAR WINDOW DEFOGGER, POWER WINDOWS) I/P CLSTR FUSE 7 IGN SW HVAC CNTRL FUSE 12 FUSE 3 INFLATABLE RESTRAINT SENSING, RADIO DIAGNOSTIC MODULE (SDM) INFLATABLE RESTRAINT VEHICLE ROLLOVER SENSOR (W/ LEFT, RIGHT ROOF SIDE) ORG/ WIRE OSRVM SW FUSE 18 OUTSIDE REARVIEW MIRROR SWITCH (IF EQUIPPED) PASS/CGO UNLCK PCB RELAY PASSENGER SEAT ADJUSTER SWITCH (W/ PASSENGER POWER SEAT ADJUSTER) PRK LAMP RELAY 40 PWR SEATS CIRCUIT BREAKER 46 PWR WDO CIRCUIT BREAKER 45 RAP RELAY 43 RDO/CHIME FUSE 8 REAR BLWR FUSE 37 REAR DEFOG RELAY 44 (W/ POWER MIRROR, REAR WINDOW DEFOGGER) RED WIRE RED/ WHT WIRE RED/BLK WIRE RED/WHT WIRE RELAY 39 RFA/TPM FUSE 11 RUN WIRE UPFTR AUX 1 FUSE 36 (W/ CUTAWAY, AMBULANCE, RV UPFITTERS) UPFTR CTSY LAMPS PCB RELAY (W/ AMBULANCE, RV UPFITTERS) W/ COMMERCIAL TRADESMAN W/ CUTAWAY W/ ELECTRIC SIDE DOOR LOCK CONTROL W/ MANUAL A/C, POWER MIRRORS, REAR WINDOW DEFOGGER W/ REAR A/C W/ REAR A/C, AUXILIARY HEATER W/ REAR A/C, AUXILIARY HEATER, PLUMBING, WIRING PROVISION W/ RV UPFITTER W/ RV W/O RV UPFITTER UPFITTER, 3406 W/O RADIO WHT WIRE YEL WIRE

AIR BAG/AOS FUSE 10 AIR TEMPERATURE HVAC VACUUM ACTUATOR CONTROL PUMP (6.6L) ASSEMBLY AUXILIARY AIR TEMPERATURE ACTUATOR (W/ REAR A/C) AUXILIARY AUXILIARY MODE BLOWER ACTUATOR MOTOR HIGH SPEED (W/ REAR RELAY A/C) AUXILIARY BLOWER MOTOR LOW SPEED RELAY AUXILIARY BLOWER MOTOR MEDIUM SPEED RELAY AUXILIARY HVAC CONTROL MODULE BCK/UP LAMP PCB BLK WIRE BLUNT CUT) BODY CONTROL MODULE (BCM) BREAKOUT) BRN WIRE CARGO DR UNLCK PCB CMPS FUSE 19 DIGITAL RADIO RECEIVER RADIO DK GRN WIRE DRIVER SEAT ADJUSTER SWITCH (W/ DRIVER POWER SEAT ADJUSTER) DRIVER WINDOW SWITCH PASSENGER (IF WINDOW EQUIPPED) SWITCH (IF EQUIPPED) DRVR DR UNLCK PCB ELECTRONIC COMPASS FRONT MODULE AUXILIARY (IF HVAC EQUIPPED) CONTROL ASSEMBLY EMPTY FUSE 37 EMPTY FUSE 38 FROM UNDERHOOD FUSE BLOCK (DIAGRAM 2 OF 5) FTR REAR DR LCK PCB FTR REAR PASS DR UNLCK PCB GRN WIRE HVAC 1 FUSE 14 HVAC 2 FUSE 13 HVAC IGN SW CNTRL FUSE 25 FUSE 22 I/P CLUSTER FUSE 23 INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) INFLATABLE RESTRAINT VEHICLE ROLLOVER SENSOR (W/ LEFT, RIGHT ROOF SIDE) INSTRUMENT PANEL CLUSTER (IPC) (W/O ODOMETER SECURITY WIRING PROVISION (SEO)) MANUAL A/C W/ POWER MIRRORS, REAR WINDOW DEFOGGER ONSTAR FUSE 11 ORG/ WIRE OSRVM SW FUSE 9 OUTSIDE REARVIEW MIRROR SWITCH (IF EQUIPPED) PASSENGER SEAT ADJUSTER SWITCH (W/ PASSENGER POWER SEAT ADJUSTER) PRK LAMPS PWR SEATS CIRCUIT BREAKER 1 PWR WINDOWS CIRCUIT BREAKER 2 RADIO RAP RELAY RDO/CHIME FUSE 20 REAR BLWR FUSE 29 REAR DEFOG RED WIRE RED/ WHT WIRE RED/BLK WIRE RED/WHT WIRE RFA/TPM FUSE 21 RUN WIRE TO UPFTR UPFITTER AUX 1 FUSE 16 (W/ CUTAWAY, AMBULANCE, RV UPFITTERS) UPFTR CTSY LAMPS VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) (IF EQUIPPED) W/ CHIME MODULE W/ COMMERCIAL TRADESMAN W/ CUTAWAY W/ ELECTRIC SIDE DOOR LOCK CONTROL W/ REAR A/C W/ REAR A/C, AUXILIARY HEATER W/ REAR A/C, AUXILIARY HEATER, PLUMBING, WIRING PROVISION W/ RV UPFITTER W/ RV UPFITTER, SWB PASSENGER W/O RV UPFITTER W/O CHIME MODULE W/O DIGITAL AUDIO W/ DIGITAL AUDIO WHT RED/ WIRE WHT WIRE YEL WIRE

4.3L AUTOMATIC TRANSMISSION BODY CONTROL MODULE (BCM) BRN WIRE CENTRAL SEQUENTIAL FUEL INJECTION (CENTRAL SFI) FUEL INJECTOR 3 CRANK FUSE 27 ENG 1 FUSE 23 ENG 2 FUSE 21 EVAPORATIVE EMISSIONS (EVAP) CANISTER PURGE SOLENOID EXCEPT 4.3L EXCEPT 4.3L 4.3L EXCEPT 4.3L 4.3L 4.3L FR WPR FUSE 47 FROM ENG 1 FUSE 23 (DIAGRAM 4 OF 6) FROM IGNITION SWITCH (DIAGRAM 3 OF 6) FROM UNDERHOOD FUSE BLOCK (AIR BAG FUSE 37) (DIAGRAM 3 OF 6) FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 4 FUEL INJECTOR 5 FUEL INJECTOR 7 FUEL INJECTOR 6 CENTRAL SEQUENTIAL FUEL INJECTION (CENTRAL SFI) FUEL INJECTOR 8 IGN 0 FUSE 6 IGN E FUSE 22 IGNITION COIL IGNITION COIL 1 IGNITION COIL 3 IGNITION COIL 2 IGNITION COIL 7 IGNITION COIL 5 IGNITION COIL 8 IGNITION COIL 4 IGNITION COIL 6 IGNITION COIL MODULE INSTRUMENT PANEL CLUSTER MASS AIR FLOW (MAF SENSOR) NCA WIRE NOT USED NOT USED PARK/ NEUTRAL POSITION (PNP) SWITCH PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) PPL STOP LAMP SWITCH CRUISE CONTROL ON/OFF SWITCH TBC ACCY FUSE 46 TO IGN E FUSE 22 (DIAGRAM 4 OF 6) TURN SIGNAL SWITCH TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) A/C RELAY 54 WHT WIRE WINDSHIELD WIPER MOTOR YEL WIRE

1-2 SHIFT SOLENOID (SS) VALVE 2-3 SHIFT SOLENOID (SS) VALVE 3 TANK COMPLETE VEHICLE KIT 4 TANK COMPLETE VEHICLE KIT 6.6L 4.8L, 5.3L, 6.0L 4.3L AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION INPUT SHAFT SPEED (ISS) SENSOR BLK WIRE BREAKOUT) CONTROL SOLENOID VALVE ASSEMBLY DK BLU WIRE ECM IGN/ GLOW PLUG MDL IGN FUSE 30 ENGINE CONTROL MODULE (ECM) ENGINE GLOW PLUG CONTROL CONTROL MODULE MODULE (GPCM) (ECM) EVAPORATIVE EMISSION PURGE SOLENOID VALVE RELAY EVAPORATIVE EMISSION VENT SOLENOID VALVE RELAY FROM BODY CONTROL MODULE (BCM) (DIAGRAM 3 OF 5) FROM FSCM IGN FUSE 6 (DIAGRAM 3 OF 5) FROM UNDERHOOD FUSE BLOCK (DIAGRAM 2 OF 5) FUSE HOLDER FUSE HOLDER LPCM FUSE GLOW PLUG CONTROL MODULE (GPCM) LPCM FUSE LPG CONTROL MODULE LPG TANK SCAVANGE PUMP ORG/ WIRE PETROLEUM, GAS PNK WIRE PRIMARY FUEL PUMP, RED WIRE SECONDARY TRANSMISSION FUEL CONTROL PUMP MODULE (TCM) TCM IGN FUSE 31 TORQUE CONVERTER CLUTCH (TCC) PULSE WIDTH MODULATION (PWM) SOLENOID VALVE TORQUE CONVERTER CLUTCH (TCC) SOLENOID VALVE TRANS FUSE 17 TRANSMISSION CONTROL MODULE (TCM) UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) VACUUM PUMP W/ 4 SPEED W/ 6 SPEED A/T WAIT TO LPG CONTROL INDICATOR RELAY MODULE

AIR TEMPERATURE ACTUATOR AUXILIARY 1 FUSE 32 AUXILIARY HIGH SPEED BLOWER MOTOR RELAY AUXILIARY HVAC CONTROL PROCESSOR AUXILIARY LOW SPEED BLOWER MOTOR RELAY AUXILIARY MED SPEED BLOWER MOTOR RELAY AUXILIARY MODE ACTUATOR AUXILIARY AIR TEMPERATURE ACTUATOR AUXILIARY RELAY 24 BLK WIRE BODY CONTROL MODULE BODY FUSE BLOCK (UNDER LEFT FRONT SEAT) BREAKOUT) (W/O RV UPFITTER OPTION) (W/ RV UPFITTER OPTION) BRK FUSE 11 BRN WIRE DK GRN WIRE DRIVER WINDOW SWITCH (IF EQUIPPED) ELECTRONIC BRAKE CONTROL MODULE (EBCM) ELECTRONIC BRAKE CONTROL MODULE (EBCM) TRACTION CONTROL SWITCH FROM BODY FUSE BLOCK (CTSY LP/SEO FUSE 3) (DIAGRAM 3 OF 6) FROM IGNITION SWITCH (DIAGRAM 3 OF 6) FRONT AUXILIARY HVAC CONTROL ASSEMBLY FRONT AUXILIARY HVAC CONTROL ASSEMBLY REAR AUXILIARY HVAC CONTROL ASSEMBLY FRONT PASSENGER WINDOW SWITCH (IF EQUIPPED) HVAC 1 FUSE 9 HVAC CONTROL ASSEMBLY HVAC FUSE 10 ORG/ WIRE OSRVM FUSE 2 OUTSIDE REARVIEW MIRROR SWITCH (IF EQUIPPED) PROVISIONAL RAP RELAY 23 PWR WND CIRCUIT BREAKER 34 REAR BLOWER FUSE 13 RED/BLK WIRE RED/WHT WIRE SPARE FUSE 1 TAN WIRE UNDERHOOD FUSE BLOCK W/ ACTIVE HANDLING W/ AUXILIARY HVAC W/ REAR AUXILIARY CONTROL W/ REAR AUXILIARY HVAC W/O ACTIVE HANDLING W/O REAR AUXILIARY CONTROL

7 CM FROM BREAKOUT FOR REAR FUSE BLOCK) APPROX 15 CM FROM REAR FUSE BLOCK) APPROX 8 CM FROM REAR FUSE BLOCK) AUXILIARY HIGH SPEED BLOWER MOTOR RELAY AUXILIARY LOW SPEED BLOWER MOTOR RELAY AUXILIARY MED SPEED BLOWER MOTOR RELAY BLUNT CUT) DOME FLUORESCENT WORK LAMP RELAY DOME FLUORESCENT WORK LAMPS FUSE 2 FROM BODY FUSE BLOCK (AUXILIARY 1 FUSE 32) (DIAGRAM 5 OF 6) FROM BODY FUSE BLOCK (RR BLOWER FUSE 13) (DIAGRAM 5 OF 6) LEFT SIDE FRONT ACCESS PANEL RELAY 5 LEFT SIDE REAR ACCESS PANEL RELAY 1 ORG/ WIRE PANEL ACTUATOR FUSE 3 PROVISIONAL REAR FUSE BLOCK (ON LEFT "B" PILLAR) RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT SIDE ACCESS PANEL RELAY 6 W/ AUXILIARY HVAC W/ COMMERCIAL OPTION W/O CUTAWAY W/O AUXILIARY HVAC W/O COMMERCIAL OPTION W/O COMMERCIAL OPTION W/ CUTAWAY