GMC Savana H1500 (2003-2013) red/wht Wiring diagrams

16 6 PRK BRK SW TCC BRAKE SIG 5.3L 4.3L 6.6L ABS IND. ABS MDL FUSE 60 ABS MTR FUSE 61 B+ SERIAL DATA ENABLE VEHICLE SPD SIG BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) BRAKE IND BREAKOUT TOWARDS INSTRUMENT PANEL CLUSTER) BRK SW FUSE 32 COMPUTER DATA LINES SYSTEM DK GRN WIRE ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) GND HI SPD GMLAN BUS - HI SPD GMLAN BUS - HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY ENERGIZED INSTRUMENT PANEL CLUSTER (IPC) IP CLSTR FUSE 30 LEFT FRONT WHEEL SPEED SENSOR (WSS) (ON INSIDE OF LEFT FRONT WHEEL) LF WHEEL SPEED SENS LOW REF LO SPD GMLAN LOGIC LT BLU WIRE LT BLU/WHT WIRE OF DASH, ABOVE BRAKE PEDAL) PARK BRAKE SWITCH (UNDER LEFT PNK WIRE RED/BLK WIRE RED/WHT WIRE RF WHEEL SPD SENS LOW REF GND RIGHT FRONT WHEEL SPEED SENSOR (WSS) (ON INSIDE OF RIGHT FRONT WHEEL) SERIAL DATA SIDE OF DASH) STOP LAMP SWITCH (BEHIND LEFT SIDE TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) YEL WIRE YEL/BLK WIRE

1140 1037 812 1835 351 B+ SERIAL DATA BLK/WHT WIRE BODY CONTROL MODULE (BEHIND LOWER RIGHT SIDE OF DASH) DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) DATA SERIAL DIESEL DK GRN WIRE ELECTRONIC BRAKE CONTROL MODULE (ON LEFT FRAME RAIL NEAR CENTER OF VEHICLE) ENGINE CONTROL MODULE (LEFT INNER FENDER) FUSE 46 GASOLINE GRY WIRE HOT AT ALL TIMES HOT IN RUN OR ACC HOT IN RUN OR START HOT IN RUN, ACC OR START INSTRUMENT PANEL CLUSTER LT BLU WIRE LT GRN WIRE ORG/WHT WIRE PASSLK SENS GROUND PASSLOCK SENSOR (INSIDE TOP OF STEERING COLUMN) PASSLOCK SIGNAL PNK 39 343 1020 IGN 1 VOLT ACC VOLT IGN 0 VOLT WIRE PNK WIRE POWERTRAIN CONTROL MODULE (LEFT INNER FENDER) PPL RED/WHT WIRE SECURITY INDICATOR SENS RET GROUND SENSOR RETURN SERIAL DATA TAN WIRE TBC ACCY (GAS) TBC/TCM ACCY (DIESEL) TBC FUSE 19 TBC IGN 0 FUSE 6 TBC IGN 1 FUSE 24 UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) W/ ACTIVE BRAKE CONTROL W/O ACTIVE BRAKE CONTROL YEL WIRE

4.3L/5.3L ACCESSORY WAKEUP SERIAL DATA TRUNK RELEASE CTRL RUN/CRANK RLY COIL CTRL BCM 1 FUSE 59 BCM 2 FUSE 58 BCM 3 FUSE 26 BCM 4 FUSE 9 BCM 5 FUSE 7 BCM 6 FUSE 72 BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CRUISE CONTROL SYSTEM CRUISE CONTROL SYSTEM CRUISE CONTROL SYSTEM CRUISE CTRL DIMM SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE EXTERIOR LIGHTS SYSTEM INSTRUMENT CLUSTER SYSTEM WIPER/WASHER SYSTEM GRY WIRE GRY/BLK WIRE HEADLIGHTS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM HOT AT ALL TIMES INTERIOR LIGHTS SYSTEM COMPUTER DATA LINES SYSTEM LT BLU WIRE LT GRN WIRE ORG/ WIRE ORG/WHT WIRE PNK/BLU WIRE PPL HDLP LOW BEAM CTRL FRONT PASS DR LK SW CTRL RED/WHT WIRE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRUNK, TAILGATE, FUEL DOORS SYSTEM UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) W/ COMMERCIAL TRADESMAN SALES PACKAGE, CARGO LAMP W/O COMMERCIAL TRADESMAN SALES PACKAGE, CARGO LAMP WINDSHIELD WASHER RLY CTRL HDLP HIGH BEAM RLY CTRL HOOD AJAR SW SIG WIPER/WASHER SYSTEM HEADLIGHTS SYSTEM ANTI-THEFT SYSTEM YEL WIRE

1 2 PNK IGN VOLT WIRE 149 (OR 690) AMBIENT LIGHT SENS SIG HDLP ON SIG ANTI-LOCK BRAKES SYSTEM EXTERIOR LIGHTS SYSTEM ANTI-THEFT SYSTEM INSTRUMENT CLUSTER SYSTEM BCM 7 FUSE 8 BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) BRN WIRE BRN/WHT WIRE CHMSL CTRL COURTESY LAMP CTRL CRUISE CONTROL SYSTEM CRUISE CONTROL, SOUND SYSTEMS CRUISE CTRL SW SIG CURRENT SENS SIG LO REF IGN VOLT DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DOOR LOCKS, ANTI-THEFT SYSTEMS DOOR LOCKS, ANTI-THEFT SYSTEMS AIR CONDITIONING SYSTEM DRV DOOR LOCK SW UNLOCK SIG DRV DOOR LOCK SW LOCK SIG DRV DR LOCK RLY UNLOCK CTRL DRV DR LOCK RLY UNLOCK CTRL PASS DOOR LOCK SW LOCK CTRL GRY WIRE GRY/BLK WIRE HDLP LOW BEAM RLY CTRL PARK LAMP CTRL HDLP OFF SIG COURTESY LAMPS CTRL HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM TRANSMISSIONS SYSTEM HEADLIGHTS SYSTEM INTERIOR LIGHTS SYSTEM HORN RLY CTRL HORNS SYSTEM HOT AT ALL TIMES IGN VOLT BKUP LP SPLY VOLT HOOD CLD SW SIG PARK BRAKE SW SIG IGNITION SWITCH KEY-IN SWITCH LF DOOR OPEN SW SIG A/C REQUEST SIGNAL LF TURN SIG LAMP CTRL STOP LAMPS CTRL TCC BRAKE SIG LIFTGATE AJAR SW SIG LOW REF WIPER LOW SW SIG LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE NAVIGATION SYSTEM OFF ORG/ WIRE ORG/BLK WIRE PARK LAMPS SIG PASS DOOR LOCK SW LOCK CTRL PNK 12 VOLT REF WIRE PNK IGN VOLT L TURN HAZ SW SIG R TURN HAZ SW SIG WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM PPL PPL DEFEAT SW SIG REAR ACCESS OPEN SW SIG RED/WHT WIRE RF DOOR AJAR SW SIG PASS DR LOCK SW UNLOCK CTRL LF DOOR AJAR SW SIG RR DOOR OPEN SW SIG LR DOOR OPEN SW SIG RF DOOR OPEN SW SIG RUN WIRE STARTING/ CHARGING SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRACTION CTRL SW SIG BACKUP LAMP RLY CTRL UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) WHT WIRE WIPER SW SIG 2 FRONT WIND WIPER SW HI SIG WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM SOUND SYSTEMS YEL WIRE YEL/BLK WIRE

2 3 SERIAL DATA SERIAL DATA 5.3L 6.6L 4.8L, 5.3L, 6.0L 4.3L ACC WAKE UP SERIAL DATA 11 15 19 7 6 38 37 5985 2501 2500 2500 2501 2500 2501 ACC WAKE-UP SERIAL DATA BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER CHIME MODULE (BEHIND LEFT CENTER OF DASH) CONTROL EXCEPT 6.6L W/O ACTIVE BRAKE CONTROL COOLANT HEATER (6.6L) DATA BUS+ DATA BUS+ DATA BUS- DATA BUS- DATA LINK CONNECTOR (DLC) (UNDER LEFT SIDE OF DASH) DATA LINK RESISTOR DK BLU WIRE DK GRN WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) ELECTRONIC CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) EXCEPT 5.3L EXCEPT 6.6L W/ ACTIVE BRAKE FUEL PUMP FLOW CONTROL MODULE (5.3L) (AT REAR OF GLOW PLUG CONTROL MODULE (GPCM) (6.6L) HOT AT ALL TIMES INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) (UNDER LEFT FRONT SEAT) INSTRUMENT PANEL CLUSTER (IPC) LIGHT DUTY W/O RECREATIONAL VEHICLE, UPFITTER SALES PACKAGE LTR/DLC FUSE 38 RADIO RED WIRE RED/WHT WIRE REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) (IF EQUIPPED) (BEHIND CENTER OF DASH) SERIAL DATA SPLICE PACK TAN WIRE TAN/BLK WIRE TRANSMISSION CONTROL MODULE (TCM) UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) UNDERHOOD PASS THROUGH GROMMET) VEHICLE, ATTACHED TO LEFT REAR FRAME RAIL) W/ AUXILIARY FUEL FIRED HEATER W/ RADIO PROVISIONS W/O AUXILIARY FUEL FIRED HEATER W/O RADIO PROVISIONS WHT WIRE

2501 2500 2501 2500 COMPUTER DATA LINES SYSTEM AIR TEMPERATURE ACTUATOR (BEHIND RIGHT SIDE OF DASH, ON HVAC) AUXILIARY BLOWER MOTOR (IF EQUIPPED) AUXILIARY BLOWER MOTOR LOW SPEED RELAY (IF EQUIPPED) (LEFT REAR OF PASSENGER AUXILIARY BLOWER MOTOR MEDIUM SPEED RELAY AUXILIARY BLOWER MOTOR RESISTOR ASSEMBLY (IF EQUIPPED) AUXILIARY BLOWER MOTOR SWITCH (IF EQUIPPED) BLK WIRE BLOWER MOTOR (ON RIGHT REAR OF ENGINE COMPT, ON EVAPORATOR CASE) BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) BODY FUSE BLOCK (UNDER LEFT FRONT SEAT) BREAKOUT) BRN WIRE BRN/WHT WIRE COMPT, ATTACHED TO AUXILIARY HVAC MODULE) CONNECTOR BREAKOUT) COOLANT HEATER BLOWER MOTOR GND COOLANT HEATER COMBUSTION SENSOR LOW REF COOLANT HEATER CONTROL MODULE COOLANT HEATER GLOW PLUG VOLT DK BLU WIRE DK BLU/LT GRN WIRE FOH MDL (D) FUSE 35 FROM AUXILIARY BLOWER MOTOR BREAKOUT) GND SERIAL - SERIAL + SERIAL - SERIAL + GRN/RED WIRE HOT AT ALL TIMES HOT W/ RUN/ HVAC 1 FUSE 14 HVAC 2 FUSE 13 HVAC CONTROL ASSEMBLY LOGIC 8 10 7 LT BLU WIRE MAX A/C OFF A/C BI-LEV MED LO OFF OF ENGINE BLOCK) ORG/ WIRE REAR BLWR FUSE 29 RED WIRE RED/BLK WIRE RED/WHT WIRE REF SER DATA TAN WIRE TAN/BLK WIRE VACUUM PUMP (6.6L) (RIGHT FRONT OF ENGINE COMPT, UNDER BATTERY) VENT FLOOR MIX-BLEND DEF VOLT W/ AUXILIARY FUEL FIRED HEATER W/O AUXILIARY FUEL FIRED HEATER WHT WIRE YEL WIRE

A/C HIGH PRESSURE SWITCH AUXILIARY AIR TEMPERATURE ACTUATOR AUXILIARY MODE ACTUATOR (LEFT REAR OF PASSENGER COMPT) BLK WIRE BLOW FUSE 51 BLOWER MOTOR (RIGHT REAR OF ENGINE COMPT) BLOWER MOTOR RESISTOR ASSEMBLY (RIGHT REAR OF ENGINE COMPT) BODY FUSE BLOCK (BELOW LEFT FRONT SEAT) BRN WIRE BRN/WHT WIRE DEFOGGER SYSTEM DK BLU WIRE DK GRN/WHT WIRE FRONT AUXILIARY HVAC CONTROL ASSEMBLY (IF EQUIPPED) GRY WIRE HOT AT ALL TIMES HOT IN HVAC 1 FUSE 9 HVAC CONTROL ASSEMBLY HVAC FUSE 10 LOGIC LT BLU WIRE LT GRN WIRE MED OFF OFF MAX NORM BI-LEV ORG/ WIRE PPL R DEFOG IND GROUND ING 3 BATTERY RED WIRE RED/BLK (OR RED) WIRE RED/WHT WIRE RR BLOWER FUSE 13 RUN WIRE TAN WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VENT HEAT HEAT/DEF DEF VENT HEAT HEAT/DEF DEF OFF MAX NORM BI-LEV WHT WIRE YEL WIRE

A/C COMPRESSOR CLUTCH A/C FUSE 32 A/C LOW PRESSURE SWITCH (ON SIDE OF ACCUMULATOR) A/C RELAY 54 AUXILIARY BLOWER MOTOR (IF EQUIPPED) AUXILIARY BLOWER MOTOR RESISTOR BLK WIRE BRN WIRE CLUTCH RLY CTRL DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE HARN, 32 CM FROM HOT AT ALL TIMES HOT IN RUN OR START IGN E FUSE 22 LOW PRESS SIG LT BLU WIRE ORG/ WIRE POWERTRAIN CONTROL MODULE (PCM) (ON LEFT FRONT INNER FENDER) PROVISIONAL RED/WHT WIRE REQUEST SIG UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE

A/C HIGH PRESSURE SWITCH AUXILIARY HVAC CONTROL PROCESSOR (BEHIND AUXILIARY HVAC ASSEMBLY, IN HEADLINER) BLK WIRE BLOW FUSE 51 BLOWER MOTOR (RIGHT REAR OF ENGINE COMPT) BLOWER MOTOR RESISTOR ASSEMBLY (RIGHT REAR OF ENGINE COMPT) BODY FUSE BLOCK (BELOW LEFT FRONT SEAT) BREAKOUT) BREAKOUT) (W/O RV UPFITTER OPTION: IN FRONT HEADLINER HARN, BRN WIRE BRN/WHT WIRE DEFOGGER SYSTEM DK BLU WIRE DK GRN/WHT WIRE EXCEPT RV FRONT AUXILIARY HVAC CONTROL ASSEMBLY GRY WIRE HOT AT ALL TIMES HOT IN HVAC 1 FUSE 9 HVAC CONTROL ASSEMBLY HVAC FUSE 10 LOGIC LT BLU WIRE LT GRN WIRE MED OFF OFF LO MED HI OFF MAX NORM BI-LEV ORG/ WIRE PNK/BLK WIRE PPL PPL/WHT WIRE R DEFOG IND GROUND ING 3 BATTERY REAR REAR AUXILIARY HVAC CONTROL ASSEMBLY RED WIRE RED/BLK (OR RED) WIRE RED/WHT WIRE RR BLOWER FUSE 13 RUN WIRE TAN WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VENT HEAT HEAT/DEF DEF VENT HEAT HEAT/DEF DEF OFF MAX NORM BI-LEV WHT WIRE YEL WIRE

A/C COMPRESSOR CLUTCH A/C FUSE 32 A/C LOW PRESSURE SWITCH (ON SIDE OF ACCUMULATOR) A/C RELAY 54 AUXILIARY AIR TEMPERATURE ACTUATOR AUXILIARY BLOWER MOTOR (LEFT REAR OF PASSENGER AUXILIARY BLOWER MOTOR RESISTOR AUXILIARY MODE ACTUATOR (LEFT REAR OF PASSENGER COMPT) BLK WIRE BRN WIRE CLUTCH RLY CTRL COMPT, ON AUXILIARY HVAC ASSEMBLY) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GRY WIRE HARN, 32 CM FROM HOT AT ALL TIMES HOT IN RUN OR START IGN E FUSE 22 LOW PRESS SIG LT BLU WIRE ORG/ WIRE POWERTRAIN CONTROL MODULE (PCM) (ON LEFT FRONT INNER FENDER) PROVISIONAL RED/WHT WIRE REQUEST SIG UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE