GMC Sierra 2500 HD (2002-2012) red/blk Wiring diagrams

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

2-HI IND 4-HI IND 4-LO IND 5 VOLT REF INCRMT ENCODER SIG 6.0L (VIN G) 7475 7476 1693 1566 1565 PPL ACCY WAKEUP SRL DATA ASSEMBLY AUX HVAC-IGN FUSE 48 FUSE 45 AXLE ACTR CTRL AXLE SW SIG GMLAN BUS - GMLAN BUS + IGN 1 VOLT BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM DIRTN SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE FRONT AXLE ACTUATOR FUSE 19 FUSE 13 GAS GAS DIESEL GMLAN BUS - GMLAN BUS + INCRMT ENCODER SIG GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY ENERGIZED HOT W/ RUN/CRNK RELAY ENERGIZED UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) IGN INSTRUMENT PANEL CLUSTER (IPC) LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LO REF SW SIG 4 HI IND CTRL 4 LO IND CTRL LOGIC LOW REF LT BLU 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 NEUTRAL IND CTRL 2 HI IND CTRL ORG/ WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL/WHT WIRE PULSE SIG RED/BLK WIRE RIGHT I/P JUNCTION BLOCK SER DATA SHIFT MOTOR TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSFER CASE ENCODER MOTOR (ON TRANSFER CASE) 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 WIPER/WASHER SYSTEM 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

ABS-1 FUSE 61 ABS-2 FUSE 9 BLK RED/ WIRE BLK WIRE BLOWER MOTOR CONTROL MODULE BODY CONTROL MODUE (BCM) COMFORT, DECOR LEVEL 3 CONVENIENCE PACKAGE COOLED CREW EXTENDED CAB CAB, POWER WINDOW CREW EXTENDED CAB, CAB POWER WINDOW (W/ INDIVIDUAL FRONT SEAT) DIM BCM FUSE FUSE SEATS FUSE 24 DRIVER DRIVER DOOR LOCK/ WINDOW SWITCH WINDOW SWITCH DRIVER SEAT 2 CIRCUIT ELEC RUN BOARD FUSE 65 ELECTRONIC BRAKE CONTROL MODULE (EBCM) EXCEPT 4.3L/ 6.0L (VIN G) 6.0L (VIN K) FROM FUSIBLE LINK 3 (DIAGRAM 1 OF 7) FROM IPC FUSE 46 (DIAGRAM 1 OF 7) FSCM FUSE 21 FUEL PUMP FLOW CONTROL MODULE FUEL PUMP/ TRAILER BRAKE CONTROL MODULE HEAVY DUTY ABS FUSE 59 HVAC BLWR FUSE 70 LBEC 1 FUSE 64 LEFT I/P J/B (LOWER LEFT SIDE OF DASH) LT BLU WIRE LT DR CIRCUIT BREAKER REAR WPR FUSE 23 OBS DET FUSE 20 REAR SEAT FUSE 1 MIR FUSE LT GRN WIRE MBEC 1 FUSE 69 MEMORY DRIVER DOOR LOCK/ SEAT MODULE WINDOW (MSM) SWITCH MEMORY SEAT MODULE (MSM) PASS SEAT 1 CIRCUIT PASSENGER WINDOW SWITCH PWR REAR WNDW CIRCUIT REAR DSM DDM PWR FUSE 4 HVAC FUSE FUSE RED WIRE RED/ BLK WIRE RED/BLK WIRE RED/WHT WIRE REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) RIGHT I/P J/B (IN RIGHT END OF DASH) ROOF BEACON RELAY (IN OVERHEAD CONSOLE) ROOF BEACON SWITCH ROOF MOUNTED BEACON PROVISION (BLUNT CUT) RT DOORS CIRCUIT RT STOP CTSY FUSE TRN FUSE 8 LEFT I/P J/B (LOWER LEFT SIDE OF DASH) S/ROOF FUSE 34 SEAT CLIMATE CONTROL MODULE (IF EQUIPPED) STUD 1 FUSE 68 (W/ AUXILIARY BATTERY) SUNROOF MODULE TO LGM FUSE 71 (DIAGRAM 3 OF 7) TO PDM FUSE (DIAGRAM 3 OF 7) TO PDM FUSE 9 (DIAGRAM 3 OF 7) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) W/ ACTIVE BRAKE W/O ACTIVE BRAKE W/ ACTIVE, VACUUM BRAKE, 10 SERIES W/ DRIVER POWER SEAT ADJUSTER W/ ELECTRICAL ALARM BULB W/ INDIVIDUAL FRONT SEAT W/ INDIVIDUAL FRONT SEAT W/ INDIVIDUAL FRONT SEAT, POWER MIRROR W/ INDIVIDUAL FRONT SEAT, POWER MIRROR W/ PASSENGER POWER SEAT ADJUSTER W/ REAR POWER WINDOW W/ ROOF MOUNTED PROVI- LIONS W/ SUNROOF W/ WRECKER W/ ROOF, EMERGENCY BEACON VEHICLE RELAY ROOF LAMP RELAY W/O CAMPER W/ CAMPER TRAILER TRAILER PROVISION PROVISION W/O INDIVIDUAL FRONT SEAT, POWER MIRROR W/O INDIVIDUAL W/ INDIVIDUAL FRONT SEAT, FRONT SEAT, POWER MIRROR POWER MIRROR WHT RED/ WIRE WHT WIRE

2 OF 7) PDM FUSE 9 (W/ COMFORT, DECOR LEVEL 3 CONVENIENCE PACKAGE) AIR BAG BATT FUSE 45 ALC/COMP FUSE 58 AMP FUSE 41 AUDIO AMPLIFIER (PREMIUM AUDIO BRANDED W/ AMPLIFIER SPEAKER SYSTEM) AUTOMATIC A/C AUTOMATIC TRANSMISSION AUXILIARY FLUID PUMP CONTROL MODULE AUX PWR FUSE BLK WIRE BODY CONTROL MODULE (BCM) CENTER CONSOLE ACCESSORY POWER OUTLET CENTER CONSOLE COMPARTMENT ACCESSORY POWER OUTLET (ON LOWER RIGHT "B" PILLAR) CHIME POWER MODULE TAKE OFF (PTO) RELAY CREW CAB W/ INDIVIDUAL FRONT SEAT AUX RSE PWR 2 FUSE 19 FUSE 2 CREW CAB/ EXTENDED CAB W/ PERFORMANCE EXHANCED AUDIO, FRONT COMPARTMENT CONSOLE ESC/ALC EXH FUSE 2 FROM AUXILIARY BATTERY RUN RELAY (DIAGRAM 1 OF 7) FROM FSCM FUSE 21 (DIAGRAM 2 OF 7) FROM LT DR CIRCUIT BREAKER (DIAGRAM HVAC CONTROL MODULE I/P 2 ACCESSORY POWER OUTLET INFO FUSE 22 LBEC 2 FUSE 72 LEFT I/P J/B (LOWER LEFT SIDE OF DASH) LEFT I/P J/B (LOWER LEFT SIDE OF DASH) W/ INDIVIDUAL FRONT SEAT, POWER MIRROR LGM FUSE 71 LOCK/UNLOCK PCB RELAY MANUAL A/C NCA WIRE ORG/ WIRE PERFORMANCE ENHANCED AUDIO PREMIUM AUDIO BRANDED W/ AMPLIFIER SPEAKER SYSTEM POWER LOCKS W/O INDIVIDUAL FRONT SEAT, POWER MIRROR POWER TAKE OFF (BLUNT CUT) PTO FUSE 47 RADIO RDO FUSE 42 REAR SEAT DIGITAL AUDIO (RSA) RADIO CONTROL RECEIVER (IF (IF EQUIPPED) EQUIPPED) RED WIRE RED/ WHT WIRE RED/BLK WIRE RED/WHT WIRE RIGHT I/P J/B (IN RIGHT END OF DASH) RIGHT I/P J/B (IN RIGHT END OF DASH) CENTER SEAT ACCESSORY POWER OUTLET STOP IS LPS FUSE 17 LT STOP TRN FUSE 6 LAMPS FUSE TO BODY CONTROL MODULE (DIAGRAM 4 OF 7) TO DLIS FUSE 35 (DIAGRAM 4 OF 7) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UNLOCK PCB LOCK PCB RELAY RELAY VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) VIDEO DISPLAY W/ AUX- ILIARY BATTERY W/ CUSTOM FRONT COMPARTMENT FLOOR CONSOLE W/ FULL W/ REAR SEAT FEATURE ENTERTAIN- CENTER MENT SEAT PACKAGE W/ INDIVIDUAL FRONT SEAT W/ LUXURY W/ UNIVERSAL GARAGE DOOR OPENER W/ W/O LUXURY LUXURY W/ WRECKER, EMERGENCY VEHICLE ROOF LAMP, ROOF BEACON RELAY W/O LUXURY, RADIO W/O RADIO W/O W/ LUXURY LUXURY W/ONSTAR WHT RED/ WIRE WHT WIRE WINDSHIELD WASHER SOLVENT HEATER (IF EQUIPPED)

AUTOMATIC A/C AUXILIARY GENERATOR BLK WIRE BODY BUILDER EMERGENCY LAMP DK GRN WIRE EMERGENCY VEHICLE PROVISION (BLUNT CUT) FUSE FUSE 34 FUSE FUSE FUSE SUPPLY) (BEHIND RIGHT SIDE OF DASH) FUSIBLE LINK 1 (14 GA- GENERATOR GLOW PLUG CONTROL MODULE (GPCM) HDLP HVAC LTR BATT WASH FUSE 50 FUSE 20 FUSE 36 HEATED SEAT CONTROL MODULE (IF EQUIPPED) HVAC CONTROL MODULE (ON RIGHT FRONT CORNER OF HVAC MODULE) I/P 1 ACCESSORY POWER OUTLET DATA LINK CONNECTOR (DLC) MANUAL A/C INSTRUMENT PANEL CLUSTER (IPC) INTAKE AIR HEATER (IAH) IPC TCM-BATT ECM- FUSE 43 BATT FUSE 7 FUSE 11 ITBC FUSE 19 WSW/HTR FUSE 61 LEFT BATTERY LEFT I/P J/B (LOWER LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MOBILE RADIO FUSE BLOCK POWER SUPPLY RED WIRE RED/BLK WIRE RED/WHT WIRE RELAY A RELAY B RIGHT BATTERY RIGHT I/P J/B (IN RIGHT END OF DASH) STARTER MOTOR STUD 2 FUSE 58 SUPPLY TO LEFT I/P J/B (DIAGRAM 4 OF 5) TO ROOF BEACON SWITCH (DIAGRAM 2 OF 5) TO STUD 1 FUSE 63 (DIAGRAM 2 OF 5) TRAILER PROVISION (BLUNT CUT) TRANSFER TRANSFER CASE SHIFT CASE CONTROL ENCODER MODULE MOTOR TREC FUSE 62 UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UNDERHOOD FUSE HOLDER (RIGHT SIDE OF FIREWALL) W/ ACTIVE 2 SPEED W/ DUAL GENERATOR, AMBULANCE UPFITTER SALES PACKAGE W/ ELECTRONIC 2 SPEED, ACTIVE 2 SPEED W/ EMERGENCY VEHICLE ROOF LAMP RELAY W/ WRECKER EMERGENCY LAMP PROVISIONS W/ WRECKER RELAY WHT WIRE WRECKER RELAY YEL WIRE

6.6L EXCEPT 6.6L, 4.3L 4.3L BLK WIRE DRIVER OUTSIDE REARVIEW MIRROR EXCEPT 6.6L 6.6L HOT AT ALL TIMES HTD MIR FUSE 53 FUSE 51 LOGIC HVAC CONTROL MODULE MANUAL A/C AUTOMATIC A/C NCA WIRE ORG/ WIRE PASSENGER OUTSIDE REARVIEW MIRROR POWER DISTRIBUTION SYSTEM REAR DEFOG RELAY REAR DEFOGGER IND REAR DEFOGGER SWITCH RED WIRE RED/BLK WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE

1271 3202 5991 LOW REF LOW REF PWTN RLY CTRL 2500 1272 2760 COMPUTER DATA LINES SYSTEM PPL 5 VOLT REF 3 5985 439 440 COMPUTER DATA LINES SYSTEM PNK WIRE AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM STARTING/CHARGING SYSTEM ANTI-LOCK BRAKES SYSTEM VEHICLE SPD SIG APP SENS 1 SIG INLET PRESS SENS SIG A/C SENS SIG LOW REF FP RLY CTRL APP SENS 2 SIG MAF SENS SIG AXLE SW SIG BLK WIRE BLK/WHT WIRE BRAKE SW SIG PARK/NEUTRAL SIG EXTERIOR LIGHTS SYSTEM TRANSMISSIONS SYSTEM BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM HIGH SPD DATA BUS - DK BLU WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) EVAP VENT SOL CTRL FUEL PMP RELAY FUEL PUMP FUSE 20 GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES IAT SENS SIG LT BLU WIRE LT BLU/WHT WIRE MIL CTRL AIR CONDITIONING SYSTEM COMPR CLTCH RLY CTRL OF ENGINE COMPT) ORG/BLK WIRE PNK WIRE POWER SUPPLAY) (ON POSITIVE BATTERY TERMINAL) PPL RED/BLK WIRE RED/WHT WIRE STARTING/CHARGING SYSTEM CHARGE IND SIG TAN WIRE TAN/BLK WIRE TAN/WHT WIRE THROTTLE INLET ABSOLUTE PRESSURE SENSOR (ON THROTTLE BODY) TRANSMISSIONS SYSTEM TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK (LEFT SIDE UNDERHOOD FUSE HOLDER WAKEUP SERIAL DATA IGNITION 1 VOLT B+ VOLT WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

BLK WIRE BLK/WHT WIRE BRN WIRE CHARGE AIR COOLER INLET TEMPERATURE SENSOR (INTAKE MANIFOLD) CHARGE AIR COOLER OUTLET TEMPERATURE SENSOR (TOP RIGHT FRONT OF ENGINE) COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GLOW PLUGS (2, 4, 6, 8: ABOVE RESPECTIVE CYLINDERS) GRY WIRE GRY/WHT WIRE HI SPD GMLAN SER DATA - HOT AT ALL TIMES HTR CTRL IAH COMM 1 IAH COMM 2 IAH CURRENT SIG IAH DIG SIG IAH FDBK SIG IAH HEART BEAT SIG IAH SW ON/OFF SIG IAH TEMP SIG IAH VOLT FEEDBACK SIG IAH VOLT SIG IGN 1 VOLT INTAKE AIR HEATER (IAH) (LEFT FRONT OF ENGINE ) LINE HTR CTRL LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE NCA WIRE ORG/BLK WIRE ORG/WHT WIRE PLUG 1 CTRL PLUG 2 CTRL PLUG 3 CTRL PLUG 4 CTRL PLUG 5 CTRL PLUG 6 CTRL PLUG 7 CTRL PLUG 8 CTRL PNK WIRE PNK/BLK WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM PPL PPL/WHT WIRE PUMP HTR CTRL RED WIRE RED/BLK WIRE RED/WHT WIRE SENS 1 GND SENS 1 SPLY VOLT SENS 2 GND SENS 2 SPLY VOLT TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE HOLDER (RIGHT SIDE OF FIREWALL) WAKEUP SER DATA YEL WIRE

BLK WIRE BLK/WHT WIRE BRN WIRE CHARGE AIR COOLER INLET TEMPERATURE SENSOR (INTAKE MANIFOLD) CHARGE AIR COOLER OUTLET TEMPERATURE SENSOR (TOP RIGHT FRONT OF ENGINE) COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GLOW PLUGS (2, 4, 6, 8: ABOVE RESPECTIVE CYLINDERS) GRY WIRE GRY/WHT WIRE HI SPD GMLAN SER DATA - HOT AT ALL TIMES HTR CTRL IAH COMM 1 IAH COMM 2 IAH CURRENT SIG IAH DIG SIG IAH FDBK SIG IAH HEART BEAT SIG IAH SW ON/OFF SIG IAH TEMP SIG IAH VOLT FEEDBACK SIG IAH VOLT SIG IGN 1 VOLT INTAKE AIR HEATER (IAH) (LEFT FRONT OF ENGINE ) LINE HTR CTRL LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE NCA WIRE ORG/BLK WIRE ORG/WHT WIRE PLUG 1 CTRL PLUG 2 CTRL PLUG 3 CTRL PLUG 4 CTRL PLUG 5 CTRL PLUG 6 CTRL PLUG 7 CTRL PLUG 8 CTRL PNK WIRE PNK/BLK WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM PPL PPL/WHT WIRE PUMP HTR CTRL RED WIRE RED/BLK WIRE RED/WHT WIRE SENS 1 GND SENS 1 SPLY VOLT SENS 2 GND SENS 2 SPLY VOLT TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE HOLDER (RIGHT SIDE OF FIREWALL) WAKEUP SER DATA YEL WIRE