Chevrolet·Silverado 2500 Hd·2020 Chevrolet Silverado 2500 HD·Wiring
Wiring diagram

2020 Chevrolet Silverado 2500 HD — power distribution

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Power distribution

1 2 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 1 2 2 1 D 100A 125A 6.6L 6.6L TURBO DIESEL 175A 400A 175A B 60A 60A 100A 86 85 30 87 30A 175A 400A 200A 60A 200A 150A 500A 400A 100A C A 10A 30A 60A 60A 60A 60A 30A 30A 15A 30A G F 5A 20A 10A E BATTERY STARTER MOTOR GLOW PLUG CONTROL MODULE BODY CONTROL MODULE ELECTRICAL AUXILIARY HEATER GENERATOR AUXILIARY BATTERY BODY CONTROL MODULE AUXILIARY GENERATOR UNDERHOOD FUSE BLOCK REDUCTANT CONTROL MODULE TRANSFER CASE CONTROL MODULE AUXILIARY CHASSIS CONTROL MODULE EVAPORATIVE EMISSION VENT SOLENOID VALVE ELECTRONIC BRAKE CONTROL MODULE FUEL PUMP DRIVER CONTROL MODULE TRAILER LIGHTING CONTROL MODULE POWER STEERING CONTROL MODULE ENGINE CONTROL MODULE TRAILER LIGHTING CONTROL MODULE 14 X4 X3 2 X230 X1 X4 X5 1 30 X302 2 38 X1 5 X3 X7 X1 1 X1 4 X136 X136 1 1 2 27 X115 X136 4 X3 X1 X2 X9 X8 X3 X6 2 X11 X10 X2 20 X4 2 X1 X230 2 C7 X4 H4 D2 X2 E2 7 H5 F3 X1 D2 E1 X4 G4 X6 B6 X3 38 X1 4 1 1 1 C1 G5 F5 X1 34 (OR RED/GRY) RED/GRN RED/YEL RED/YEL RED/YEL RED/GRY VIO/BRN (OR RED/GRN) RED/YEL RED/GRY RED/GRY RED/GRN RED/GRY RED/GRY RED/YEL RED/YEL RED/GRN (OR RED/GRY) (OR RED/GRY) RED/VIO RED/VIO RED/YEL RED/YEL RED/WHT RED/GRY RED/WHT RED/YEL RED/VIO RED/WHT RED/WHT RED/WHT RED/WHT RED/WHT RED/BLU RED/VIO RED/GRN RED/BLU VIO/BRN RED/GRN VIO/BRN RED/BLU BLK BLK RED/BLU RED/BLU BLK VIO/BRN BLK BLK RED/YEL RED/YEL RED/GRN RED/YEL RED/BLU RED/GRY RED/YEL RED/GRN RED/YEL RED/GRY RED/WHT RED/WHT RED/VIO RED/GRY RED/VIO RED/VIO RED/VIO RED/BRN RED/VIO RED/YEL RED/YEL RED/YEL RED/GRY RED/GRY BATTERY FUSE BLOCK FUSE F2UA F2UD FUSE F4UD FUSE F5UD FUSE F3UD FUSE F6UD FUSE F9UD FUSE F7UD FUSE F11UD FUSE F8UD FUSE F10UD FUSE F1UD AUXILIARY BATTERY FUSE BLOCK AUXILIARY BATTERY RELAY 1 AUXILIARY BATTERY RELAY 2 FUSE F2UE FUSE F1UE FUSE F3UE FUSE F1UE AUX BATT/ SCRPM FUSE F79UA ICCM/ CVS FUSE F62UA TCCM FUSE F51UA ECM FUSE F78UA EBOOST 1 FUSE F24UA IECL 2 FUSE F22UA IECR2 FUSE F20UA IECL 1 FUSE F17UA TIM FUSE F82UA TIM FUSE F74UA DEFC FUSE F75UA VES FUSE F61UA FUSE F83UA (ENGINE COMPT, TOP RIGHT) (LEFT FRONT OF ENGINE COMPT) (BODY HARNESS, IN RIGHT SIDE OF HARNESS CROSSOVER) (LOWER RIGHT FRONT OF ENGINE BLOCK) (RIGHT FRONT OF ENGINE COMPT) (NOT USED) (NOT USED) (IF EQUIPPED) (6.6L TURBO DIESEL) (IF EQUIPPED) (IF EQUIPPED) G140 J142 J233 J155 TO RIGHT INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 4 OF 10) TO RIGHT INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 3 OF 10) TO INSTRUMENT PANEL AUXILIARY FUSE BLOCK (DIAGRAM 10 OF 10) TO TRAILER CONNECTOR (CAMPER) (DIAGRAM 2 OF 10) TO FUSE F7UA (DIAGRAM 2 OF 10) TO LEFT INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 5 OF 10)
D N 30 H 30A 30A 15A 10A 60A 40A 40A 30 30A 30 E 30A 15A 30A 15A 50A 50A 50A 10A 15A 25A 60A 15A 15A 15A 5A 10A 15A 40A 10A UNDERHOOD FUSE BLOCK TRAILER TIRE PRESSURE INDICATOR MODULE RIGHT SIDE OBJECT SENSOR MODULE LEFT SIDE OBJECT SENSOR MODULE TRAILER BRAKES PROVISION TRAILER BRAKES POWER CONTROL MODULE TRAILER CAMPER PROVISION TRAILER CONNECTOR TRAILER CONNECTOR STARTER RELAY STARTER RELAY A/C COMPRESSOR CLUTCH RELAY 14 X140 1 X103 4 X136 E E X481 E X4 B3 G6 D2 X275 44 H6 1 X3 A5 D1 X3 B6 X2 X1 X4 D1 F1 X4 B4 E2 X3 E1 D2 1 7 X260 X401 14 8 8 B2 X1 X2 G4 A1 E2 X1 G3 G5 G6 B4 B5 C7 A2 E1 RED/VIO RED/GRN RED/GRN RED/VIO RED/GRN RED/GRN RED/GRN RED/GRN RED/GRN RED/GRN RED/GRN RED/GRN RED/GRN RED/GRN RED/GRN RED/GRN RED/GRN RED/GRN RED/VIO RED/VIO RED/VIO RED/VIO RED/GRN RED/GRN RED/GRN RED/VIO RED/GRN RED/GRN RED/VIO COOL FAN FUSE F71UA COOL FAN MTR RT/LWR FUSE F72UA COOL FAN MTR LT FUSE F66UA MSB PASS FUSE F21UA REC FUSE F25UA VKM FUSE F9UA FUSE F31UA FUSE F30UA FUSE F16UA FUSE F10UA FUSE F7UA FUSE F28UA FUSE F29UA FUSE F6UA FUSE F12UA POLICE UPFTR FUSE F11UA AUX UEC FUSE F65UA TTPM/ SBZA FUSE F57UA SADS FUSE F56UA MSB DRVR FUSE F15UA TIM FUSE F68UA TCM IGN FUSE F49UA TRLR BATT FUSE F63UA FUSE F76UA FUSE F84UA STRTR MTR HD GAS/STRTR PINION LD F69UA FUSE STRTR MTR LD/HD DSL FUSE F58UA (RIGHT FRONT OF ENGINE COMPT) (CHASSIS HARNESS, NEAR BREAKOUT TO 138) (IN REAR BUMPER HARNESS, IN REAR BUMPER) (CHASSIS HARNESS, IN BREAKOUT TO FUEL PUMP CONTROL MODULE) (CHASSIS HARNESS, IN BREAKOUT TO FUEL PUMP CONTROL MODULE) NOT USED (NOT USED) (NOT USED) (NOT USED) NOT USED W/O AUXILIARY BATTERY RELAYS W/ AUXILIARY BATTERY RELAYS W/O SPECIAL EQUIPMENT W/ SPECIAL EQUIPMENT (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) W/ CAMPER & 5TH WHEEL TRAILER W/O CAMPER & 5TH WHEEL TRAILER (BLUNT CUT) EXCEPT 5TH WHEEL 5TH WHEEL (W/ INTEGRATED TRAILER BRAKE CONTROL) (CAMPER) (6.6L) (6.6L TURBO DIESEL) (W/ INTEGRATED TRAILER BRAKE CONTROL) J150 J412 J150 J421 FROM AUX BATT/ SCRPM FUSE F79UA (DIAGRAM 1 OF 10) FROM AUXILIARY BATTERY FUSE BLOCK (DIAGRAM 1 OF 10) TO AUXILIARY UNDERHOOD FUSE BLOCK (DIAGRAM 6 OF 10) TO ENGINE CONTROLS IGNITION RELAY (DIAGRAM 7 OF 10)
4 3 4 3 1 2 2 1 2 1 2 1 T 30A J 20A 15A 30A 40A 10A 30A 30A W/ BATTERY SUPPLY W/ ACCESSORY SUPPLY A W/O EXPRESS UP/DOWN W/ EXPRESS UP/DOWN 20A 20A 20A 30 87 50A 50A 20A 30 86 87 85 10A 20A 2A LOGIC GND LOGIC MAL IND CTRL PWR CTRL CHARGE IND CTRL RIGHT INSTRUMENT PANEL FUSE BLOCK 2ND ROW DOME/READING LAMPS DRIVER SEAT LUMBAR SUPPORT SWITCH SEAT MEMORY CONTROL MODULE DRIVER WINDOW MOTOR LEFT REAR WINDOW SWITCH WINDOW SWITCH DRIVER SEAT ADJUSTER SWITCH RIGHT REAR WINDOW SWITCH BODY CONTROL MODULE BLOWER MOTOR PASSENGER SEAT LUMBAR SUPPORT SWITCH FRONT OVERHEAD CONSOLE ASSEMBLY PASSENGER WINDOW MOTOR PASSENGER WINDOW SWITCH FRONT OVERHEAD CONSOLE ASSEMBLY KEYLESS ENTRY CONTROL MODULE BODY CONTROL MODULE BODY CONTROL MODULE X800 1 7 X605 3 X1 4 2 29 X320 X310 29 G G X310 13 X1 2 E 1 1 X2 8 8 8 23 X600 47 2 X700 1 8 X500 47 2 X2 X2 32 34 30 X1 36 X2 24 X3 37 X1 25 23 19 24 X2 X348 9 X1 38 X1 38 2 1 6 7 X3 7 X2 10 X260 6 X275 70 X1 X348 15 X2 A C 31 10 1 6 11 X348 8 A 16 26 33 12 X4 3 X348 19 12 12 X7 A C 22 X225 X1 7 6 5 X3 23 4 C 2 1 4 3 RED/WHT RED/WHT BLK BLK WHT RED/ RED/BLU RED/VIO RED/VIO RED/BLU RED/YEL RED/YEL RED/YEL RED/YEL RED/YEL RED/YEL RED/YEL RED/YEL RED/VIO RED/VIO RED/YEL RED/YEL RED/YEL RED/WHT RED/WHT WHT RED/ RED/ WHT RED/ WHT RED/ WHT RED/ WHT RED/ WHT RED/BRN RED/BLU RED/BLU RED/GRY RED/BLU (OR GRY/VIO) YEL VIO/YEL VIO/YEL VIO/YEL VIO/YEL VIO/YEL VIO/YEL RED/ WHT RED/ WHT RED/BRN GRY/GRN BLK BLK VIO VIO GRY/VIO BLK BLK BRN GRN BRN BRN BLK BLK BLK GRY/GRN GRN BLK BLK BLK BLK VIO BLK GRN RT DR FUSE F1DR UGDO ISRVM FUSE F3DR LT DR FUSE F2DR FRT BLWR FUSE F6DR LUMBAR FUSE F8DR FUSE F33DR FUSE F31DR FUSE F55DR APO/ RAP FUSE F27DR RETAINED ACCESSORY POWER RELAY 1 APO/BATT FUSE F28DR FUSE F4DR FUSE F5DR RETAINED ACCESSORY POWER RELAY 2 USB/SEO RAP FUSE F26DR CIRCUIT BREAKER CB3DR CIRCUIT BREAKER CB4DR CIRCUIT BREAKER CB1DR CIRCUIT BREAKER CB2DR INSTRUMENT PANEL ACCESSORY POWER RECEPTACLE CENTER CONSOLE REAR ACCESSORY POWER RECEPTACLE CENTER CONSOLE REAR USB RECEPTACLE REAR SEAT USB RECEPTACLE REAR SEAT ACCESSORY POWER RECEPTACLE MOBILE DEVICE WIRELESS CHARGER MODULE (RIGHT SIDE OF DASH) (PASSENGER DOOR HARNESS, IN BRANCH TO DOOR LATCH ASSEMBLY) (RIGHT KICK PANEL) (BASE OF RIGHT "B" PILLAR) (RIGHT KICK PANEL) (BASE OF RIGHT "B" PILLAR) W/O MEMORY W/ MEMORY (CREW CAB & EXTENDED CAB) (W/ EXPRESS UP/DOWN) (W/ EXPRESS DOWN) (W/ EXPRESS DOWN) (NOT USED) W/ FRONT COMPARTMENT CONSOLE W/ FRONT COMPARTMENT CONSOLE NOT USED NOT USED 6.6L TURBO DIESEL (NOT USED) W/O KEYLESS ENTRY W/ KEYLESS ENTRY (W/ INDUCTIVE PORTABLE WIRELESS DEVICE CHARGER) G220 G320 G220 G320 J603 J202 J347 J204 J347 J340 J340 J347 4511 1150 4601 4512 TO FUSE F30DR (DIAGRAM 6 OF 10) FROM BATTERY FUSE BLOCK (DIAGRAM 1 OF 10) FROM IGNITION MAIN RELAY (DIAGRAM 8 OF 10) INTERIOR LIGHTS SYSTEM
2A L 10A 40A 15A 10A 15A K B 40A 40A 20A 10A 10A 15A 15A 10A RIGHT INSTRUMENT PANEL FUSE BLOCK DRIVER WINDOW/ OUTSIDE REAR VIEW MIRROR SWITCH SEAT MEMORY CONTROL MODULE STEERING COLUMN LOCK MODULE SUNROOF MOTOR BODY CONTROL MODULE SERIAL DATA GATEWAY MODULE BODY CONTROL MODULE VIDEO PROCESSING CONTROL MODULE PARKING ASSIST CONTROL MODULE WINDSHIELD FRONT VIEW CAMERA CONTROL SOLENOID VALVE ASSEMBLY RADIO TRANSMISSION CONTROL MODULE AUTOMATIC TRANSMISSION ASSEMBLY 6 30 2 X275 44 X115 29 30 5 X310 4 X1 1 17 9 X1 X5 4 3 16 X2 X1 3 X2 14 3 X256 14 X505 17 X500 30 29 25 18 14 X1 8 23 20 X1 1 X3 12 9 X1 11 7 6 44 X2 45 X2 1 35 X1 3 X1 1 X2 39 22 X1 3 X1 1 10 2 X1 1 1 X1 4 66 RED/GRN RED/GRY NCA RED/VIO RED/BLU RED/GRY RED/GRY RED/GRY RED/GRY RED/GRY RED/WHT RED/GRN RED/GRN RED/GRY RED/BRN RED/BRN RED/GRN RED/VIO RED/VIO RED/VIO RED/GRN RED/GRY RED/BRN RED/WHT RED/WHT RED/GRN RED/GRN RED/VIO RED/YEL RED/YEL RED/WHT RED/GRN RED/GRN RED/VIO RED/VIO RED/VIO RED/YEL RED/YEL RED/GRN RED/GRN RED/GRN RED/GRN RED/GRN SEAT/CLM LOCK FUSE F11DR DLIS FUSE F19DR MIR/WDO MDL FUSE F14DR BCM3/ BCM5 FUSE F12DR BCM6/ BCM7 FUSE F10DR FUSE F54DR FUSE F51DR VPM/ OBS DET FUSE F18DR FUSE F56DR FUSE F58DR FUSE F49DR FUSE F48DR FUSE F50DR FUSE F40DR (RIGHT SIDE OF DASH) (ENGINE HARNESS, BEFORE BREAKOUT TO HO2S BANK 2 SENSOR 2) (NOT USED) W/ KEYLESS ENTRY W/O KEYLESS ENTRY (W/ EXPRESS UP/DOWN) (W/ MEMORY) (IF EQUIPPED) (NOT USED) (NOT USED) (NOT USED) 6 SPEED A/T 10 SPEED A/T (IF EQUIPPED) (W/ ALL AROUND VISION CAMERA) (W/ FORWARD COLLISION ALERT) J145 TO CARGO LAMP RELAY (DIAGRAM 7 OF 10) FROM BATTERY FUSE BLOCK (DIAGRAM 1 OF 10) TO IGNITION SWITCH (DIAGRAM 6 OF 10)
30A 30A 15A 30A 15A 15A 15A 15A 15A 30A F 30A 10A 10A 10A 10A 10A 30A 30A 10A 15A 30A 15A 30A 30A G LEFT INSTRUMENT PANEL FUSE BLOCK LEFT PICKUP BOX AUXILIARY ENDGATE LATCH RELAY LEFT PICKUP BOX ENDGATE LATCH RELAY FRONT SEAT HEATING CONTROL MODULE REAR SEAT HEATING CONTROL MODULE SLIDING REAR WINDOW OPEN RELAY SLIDING REAR WINDOW CLOSE RELAY POWER TAKE-OFF CONTROL MODULE PASSENGER SEAT ADJUSTER SWITCH KEYLESS ENTRY CONTROL MODULE AUDIO AMPLIFIER REAR GATE MODULE LEFT INSTRUMENT PANEL FUSE BLOCK 28 X140 7 10 X115 49 41 X1 1 K X176 20 22 26 14 X320 27 X1 7 10 37 29 X370 2 1 X1 10 7 27 35 33 38 43 34 52 36 28 32 31 30 46 1 40 51 50 X320 13 44 55 56 69 70 67 68 66 65 54 53 47 39 45 48 60 57 X1 2 13 X1 4 E X926 42 RED/BLU RED/VIO RED/VIO RED/BLU RED/BLU RED/BLU RED/BLU RED/BLU RED RED/GRN RED RED/GRN RED/VIO RED/YEL RED/VIO RED/YEL RED/GRY RED/VIO RED/YEL RED/GRY RED/GRY RED/YEL RED/BRN RED/YEL RED/GRY RED/YEL RED/BRN RED/VIO RED/VIO RED/VIO HEATED & COOLED SEATS LEFT/RIGHT FUSE F6DL REAR HEATED SEATS LEFT/ RIGHT FUSE F1DL MFEG FUSE F17DL FUSE F23DL FUSE F10DL FUSE F14DL FUSE F15DL FUSE F11DL FUSE F5DL FUSE F3DL FUSE F4DL EXPORT POWER TAKE OFF/ SPECIAL EQUIPMENT OPTION 1 FUSE F13DL PASSIVE ENTRY/ PASSIVE START/ DRIVER SEAT MODULE FUSE F9DL REAR SLIDING WINDOW FUSE F22DL PASSENGER POWER SEAT FUSE F12DL AMP FUSE F16DL ENDGATE FUSE F20DL FUSE F18DL FUSE F8DL CIRCUIT BREAKER CB1DL FUSE F25DL FUSE F26DL FUSE F24DL FUSE F27DL (LEFT END OF DASH) (LEFT BODY HARNESS, IN BREAKOUT TO LEFT INSTRUMENT PANEL FUSE BLOCK) (LEFT END OF DASH) (NOT USED) NOT USED NOT USED NOT USED W/ MANUAL ASSIST POWER RELEASE GATE W/ PUBX END ENHANCED GATE (IF EQUIPPED) (IF EQUIPPED) (NOT USED) (NOT USED) NOT USED NOT USED NOT USED (NOT USED) (IF EQUIPPED) (W/ POWER GATE FUNCTION) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) J340 FROM UNDERHOOD FUSE BLOCK (DIAGRAM 1 OF 10) FROM UNDERHOOD FUSE BLOCK (DIAGRAM 1 OF 10)
PASSIVE START SWITCH 2 LOW REFERENCE SWITCH SIGNAL 2 IGNITION MODE VOLTAGE 10A 40A 10A N ACCESSORY VOLTAGE RUN/CRANK IGNITION 1 K START RUN OFF OFF RUN ACC START ACC ACC OFF RUN START RUN OFF ACC START CHALLENGE ACTIVE SIGNAL IGNITION MODE SWITCH ACCESSORY VOLTAGE IGN 1 VOLT RUN/CRANK RESISTOR SIGNAL OFF/RUN/CRANK IGN VOLT 2 IGN KEY IGN MODE SWITCH ACTIVE SIGNAL IGN MODE SW MODE VOLT IGN MODE SW START LED SIG IGN MODE SW ACC LED SIG M 10A 10A J RIGHT INSTRUMENT PANEL FUSE BLOCK DATA LINK CONNECTOR PASSENGER PRESENCE MODULE INFLATABLE RESTRAINT SENSING & DIAGNOSTIC MODULE TRAILER BRAKE CONTROL SWITCH AUXILIARY UNDERHOOD FUSE BLOCK REDUCTANT CONTROL MODULE RELAY 1 FUEL HEATER RELAY REDUCTANT CONTROL MODULE RELAY 2 KEYLESS ENTRY CONTROL MODULE BODY CONTROL MODULE 33 3 2 7 21 31 22 9 32 26 5 14 12 13 X225 6 5 3 4 1 2 13 61 2 3 4 8 7 X1 10 12 11 6 X3 5 X4 15 22 X1 8 20 17 X2 25 5 1 X2 27 X1 4 28 5 X1 16 1 X1 9 X320 22 1 WHT/VIO RED/WHT VIO/GRN VIO/GRN VIO/GRN BLU BLU BLU RED/VIO VIO/YEL VIO/BLK VIO/YEL VIO/BLK VIO/YEL VIO/YEL VIO/BLK VIO/BLK RED/GRN WHT/VIO VIO/BLK VIO/YEL RED/BLU WHT/BLK WHT/VIO BLK/GRY GRN/BLK BLK/WHT BRN/BLK BLK/WHT BLU/GRN GRN/BLK BLK/GRY GRN/BLK YEL/BLU BLK/GRY VIO/BLK VIO/YEL WHT/VIO WHT/BLK BRN/BLK BLU/BLK BLU/GRN YEL/BLU YEL BLU/BLK RED/GRN RED/GRN RED/GRN RED/WHT RED/GRN FUSE F30DR FUSE F32DR IGNITION SWITCH 100WATT PUMP/ SPARE FUSE F8UB SCR FUSE F9UB FUELHTR FUSE F10UB KEY IN IGNITION SWITCH ENGINE START/STOP SWITCH IGNITION MODE SWITCH (RIGHT SIDE OF DASH) (LEFT FRONT OF ENGINE COMPT) (IN STEERING WHEEL HARNESS) (ENGINE HARNESS, BEFORE BREAKOUT TO TCM) (ENGINE HARNESS, IN BRANCH TO UNDERHOOD AUXILIARY FUSE BLOCK) (LEFT KICK PANEL) (NOT USED) (IF EQUIPPED) (6.6L TURBO DIESEL) (W/O KEYLESS START) (NOT USED) W/ KEYLESS START W/O KEYLESS START (W/ KEYLESS START) G200 J218 J131 J153 J205 TO IGNITION MAIN RELAY (DIAGRAM 8 OF 10) FROM LUMBAR FUSE F8DR (DIAGRAM 3 OF 10) FROM RIGHT INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 4 OF 10) FROM UNDERHOOD FUSE BLOCK (DIAGRAM 2 OF 10) INTERIOR LIGHTS SYSTEM
10A 30 85 25A P R Q 30 86 30 86 30 30 87 85 60A 86 10A H L 40A 40A 10A 2A 15A 10A 10A 10A 10A 10A UNDERHOOD FUSE BLOCK WINDSHIELD WASHER PUMP RELAY ENGINE CONTROLS IGNITION RELAY RIGHT TRAILER STOP/TURN SIGNAL LAMP RELAY LEFT TRAILER STOP/TURN SIGNAL LAMP RELAY TRAILER BACKUP LAMPS RELAY AUXILIARY HEATER COOLANT PUMP RELAY WINDSHIELD WIPER SPEED CONTROL RELAY WINDSHIELD WIPER RELAY AUXILIARY HEATER COOLANT PUMP RELAY STOP LAMP RELAY HEADLAMP HIGH BEAM RELAY HEADLAMP RELAY REAR DEFOGGER RELAY HORN RELAY PARK LAMPS RELAY FRONT FOG LAMP RELAY RIGHT INSTRUMENT PANEL FUSE BLOCK CARGO LAMP RELAY STEERING WHEEL AIR BAG COIL TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE BODY CONTROL MODULE HVAC CONTROLS USB RECEPTACLE HVAC CONTROL MODULE INSTRUMENT CLUSTER INFO DISPLAY MODULE HEAD-UP DISPLAY REAR SEAT HEATING SWITCH AUXILIARY AUDIO INPUT LEFT STEERING WHEEL CONTROLS SWITCH RIGHT STEERING WHEEL CONTROLS SWITCH X1 X3 F6 D1 C3 X1 4 X275 37 7 X348 1 X1 1 14 X1 18 X1 47 37 X2 41 X2 31 X1 26 1 1 X1 X1 1 X1 6 1 1 16 X2 X1 1 40 42 X2 27 46 7 X1 X2 1 RED/YEL BRN/BLK WHT/GRN RED/WHT RED/WHT RED/WHT RED/WHT RED/BRN RED/WHT RED/YEL RED/WHT RED/WHT RED/WHT RED/WHT RED/WHT RED/YEL RED/YEL RED/VIO RED/BLU RED/GRY RED/GRY RED/VIO CABIN COOL PUMP 17W FUSE F80UA FRT WPR FUSE F52UA ACCESSORY RELAY CABIN COOL PUMP 17W FUSE F80UA DC/AC INV FUSE F19UA FUSE F52DR FUSE F57DR STR WHL CNTRL FUSE F17DR FUSE F45DR FUSE F43DR FUSE F46DR FUSE F41DR FUSE F44DR FUSE F47DR FUSE F42DR (RIGHT FRONT OF ENGINE COMPT) (RIGHT SIDE OF DASH) (INSTRUMENT PANEL HARNESS, BEHIND CENTER OF INSTRUMENT PANEL) (BEHIND THE STEERING WHEEL) (IN STEERING WHEEL HARNESS) (FLOOR CONSOLE HARNESS, AFTER BREAKOUT TO X348) 6.6L TURBO DIESEL (NOT USED) 6.6L TURBO DIESEL (NOT USED) (NOT USED) (NOT USED) (NOT USED) (W/ ONSTAR) (IF EQUIPPED) J216 J357 (W/ REAR SEAT HEATING) J217 FROM A/C COMPRESSOR CLUTCH RELAY (DIAGRAM 2 OF 10) TO IGNITION MAIN RELAY (DIAGRAM 8 OF 10) TO ACCESSORY DC/AC POWER INVERTER MODULE (DIAGRAM 9 OF 10) FROM SEAT/CLM LOCK FUSE F11DR (DIAGRAM 4 OF 10)
4 3 2 1 1 2 3 4 4 3 3 5 5 5 6 T 6 6 W/O INTEGRATED TRAILER BRAKE CONTROL W/ INTEGRATED TRAILER BRAKE CONTROL 10A 10A 10A 5A 20A 10A 85 30 87 86 P 5A 10A W/O DUAL TANK W/ DUAL TANK S 6.6L TURBO DIESEL 6.6L 10A 15A 10A 7.5A 15A 87A 30 85 87 86 M 10A UNDERHOOD FUSE BLOCK CONTROL SOLENOID VALVE ASSEMBLY REDUCTANT CONTROL MODULE FUEL PUMP DRIVER CONTROL MODULE TRAILER LIGHTING CONTROL MODULE FUEL PUMP DRIVER CONTROL MODULE GLOW PLUG CONTROL MODULE ENGINE CONTROL MODULE FRONT AXLE ENGAGEMENT ACTUATOR AUXILIARY CHASSIS CONTROL MODULE TRANSMISSION CONTROL MODULE AUTOMATIC TRANSMISSION ASSEMBLY BODY CONTROL MODULE RIGHT INSTRUMENT PANEL FUSE BLOCK STEERING WHEEL AIR BAG COIL INSIDE REAR VIEW MIRROR RIGHT INSTRUMENT PANEL CENTER ACCESSORY FUNCTION SWITCH PASSENGER BACK SEAT BLOWER MOTOR PASSENGER CUSHION SEAT BLOWER MOTOR DRIVER BACK SEAT BLOWER MOTOR DRIVER CUSHION SEAT BLOWER MOTOR ELECTRICAL AUXILIARY HEATER FRONT OVERHEAD CONSOLE ASSEMBLY COLLISION ALERT INDICATORS SERIAL DATA GATEWAY MODULE INSTRUMENT CLUSTER STEERING COLUMN LOCK MODULE STEERING WHEEL HEATING CONTROL MODULE REAR VIEW CAMERA 1 4 X927 6 X138 1 X176 25 X302 30 X351 3 3 17 25 X2 X118 33 18 23 X140 16 X115 X1 R 9 X115 X260 13 X275 28 12 X1 35 X111 3 1 6 10 17 X1 22 X1 47 X1 X1 X3 X3 X4 H3 H1 H4 A6 H2 A3 A2 A1 G4 A4 X1 2 X2 X2 2 X1 2 20 14 12 X1 10 X2 11 19 X4 15 X1 21 X320 21 X310 21 X3 13 13 15 X2 1 X1 X1 15 X1 8 1 X1 8 X2 23 3 5 X2 9 1 1 1 1 X926 24 BLU/VIO VIO/GRY VIO/WHT VIO/BLK GRN VIO/ VIO/GRN VIO/GRN GRN VIO/ VIO/ GRN VIO/GRN GRN VIO/ VIO/GRN VIO/GRN VIO/GRN VIO/GRN VIO/GRN VIO/GRN VIO/GRN VIO/WHT VIO/WHT VIO/GRN VIO/WHT VIO/BLK VIO/BLK VIO/BLK VIO/BLK VIO/BLK VIO/WHT VIO/ GRN/VIO GRN/VIO GRN VIO/GRN BLK VIO/GRN GRN/VIO BLK VIO/GRY VIO/WHT VIO/WHT VIO/BLK BLU/VIO GRN/VIO VIO/GRN VIO/WHT VIO/WHT VIO/WHT VIO/GRN VIO/WHT VIO/WHT VIO/BLK VIO/BLK VIO/BLK VIO/GRN NCA VIO/WHT VIO/WHT VIO/WHT VIO/WHT NCA NCA NCA NCA VIO/WHT IGNITION MAIN RELAY EURO TRLR CONN FUSE F37UA SPARE FUSE F39UA TCM IGN FUSE F47UA TIM FUSE F38UA MISC IGN FUSE F40UA ECM IGN FUSE F46UA FUSE F48UA FUSE F44UA IGNITION MAIN RELAY HVAC IGN FUSE F25DR IPC/HUD/CGM ISRVM FUSE F24DR HTD WHL FUSE F22DR NOT R/C FUSE F21DR MISC RC FUSE F23DR COOL SEAT FUSE F20DR (RIGHT FRONT OF ENGINE COMPT) (6.6L TURBO DIESEL: ENGINE HARNESS, AFTER BREAKOUT TO X111) (6.6L: ENGINE HARNESS, BEFORE BREAKOUT TO UNDERHOOD FUSE BLOCK) (CHASSIS HARNESS, BEFORE BREAKOUT TO AUXILIARY CHASSIS CONTROL MODULE) (RIGHT SIDE OF ENGINE COMPT, NEAR BATTERY) (RIGHT SIDE OF DASH) (IN PASSENGER SEAT HARNESS) (DRIVER SEAT HARNESS) (INSTRUMENT PANEL HARNESS, IN LEFT CENTER BRANCH TO LOWER I/P) (BEHIND THE STEERING WHEEL) (NOT USED) 10 SPEED A/T 6 SPEED A/T (NOT USED) (6.6L TURBO DIESEL) (W/ TRANSFER CASE) (IF EQUIPPED) (6.6L TURBO DIESEL) (6.6L TURBO DIESEL) (6.6L) (NOT USED) (NOT USED) (NOT USED) (NOT USED) (W/O BODY EQUIPMENT) (W/ BODY EQUIPMENT) (IF EQUIPPED) (IF EQUIPPED) (W/ FRONT HEATED SEATS) (W/ FRONT HEATED SEATS) (W/ FRONT HEATED SEATS) (W/ FRONT HEATED SEATS) (W/ POWER TAKE OFF CONTROLS) G120 J118 J147 J301 J334 J337 J215 FROM TRAILER BACKUP LAMPS RELAY (DIAGRAM 7 OF 10) TO INSTRUMENT PANEL AUXILIARY FUSE BLOCK (DIAGRAM 10 OF 10) FROM FUSE F32DR (DIAGRAM 6 OF 10) TO RETAINED ACCESSORY POWER RELAY 1 (DIAGRAM 3 OF 10)