Chevrolet Cutaway G3500 (1997-2012) heater, a/c controller Wiring diagrams

A/C BI-LEV A/C COMPRESSOR CLUTCH COIL A/C COMPRESSOR ENABLE RELAY (IN UNDERHOOD FUSE/RELAY CENTER) A/C COMPRESSOR HIGH PRESSURE CUTOFF SWITCH (REAR OF A/C COMPRESSOR) A/C COMPRESSOR LOW PRESSURE CUTOFF SWITCH (IN REFRIGERANT LINE) A/C FUSE AUXILIARY BLOWER MOTOR AUXILIARY BLOWER MOTOR RESISTOR (LEFT REAR OF CABIN, BEHIND REAR WHEELWELL) BLK WIRE BLOWER FUSE BLOWER MOTOR BLOWER MOTOR RESISTOR/RELAY (RIGHT SIDE OF FRONT BLOWER MOTOR) BRN WIRE CONVENIENCE CENTER DIODE (IN UNDERHOOD FUSE/RELAY CENTER) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE FRONT AUXILIARY HVAC CONTROL MODULE GRY WIRE HEATER, A/C CONTROLLER HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START HTR A/C FUSE 12 I/P FUSE BLOCK LT BLU WIRE LT GRN WIRE OFF LO MED HI OFF MAX ORG/ WIRE PNK WIRE PPL REAR AUXILIARY MODE VALVE AND SEAL ASSY (LEFT REAR INTERIOR) REAR AUXILIARY TEMPERATURE VALVE ASSY (LEFT REAR INTERIOR) RED WIRE RR BLOWER FUSE RR HVAC FUSE 24 TAN WIRE TEMP UNDER HOOD FUSE-RELAY CENTER UNDER- HOOD FUSE/ RELAY CENTER IGN E FUSE VEHICLE CONTROL MODULE (LEFT SIDE OF VENT HEAT BLEND DEF VENT HEAT BLEND DEF OFF MAX A/C BI-LEV VENT MODE WHT WIRE YEL WIRE

A/C BI-LEV A/C COMPRESSOR CLUTCH COIL A/C COMPRESSOR ENABLE RELAY (IN UNDERHOOD FUSE/RELAY CENTER) A/C COMPRESSOR HIGH PRESSURE CUTOFF SWITCH (REAR OF A/C COMPRESSOR) A/C COMPRESSOR LOW PRESSURE CUTOFF SWITCH (IN REFRIGERANT LINE) AUXILIARY BLOWER MOTOR AUXILIARY BLOWER MOTOR RESISTOR (LEFT REAR OF CABIN, BEHIND REAR WHEELWELL) BLK WIRE BLOWER FUSE BLOWER MOTOR BLOWER MOTOR RESISTOR/RELAY (RIGHT SIDE OF FRONT BLOWER MOTOR) BRN WIRE CONVENIENCE CENTER DIODE (IN UNDERHOOD FUSE/RELAY CENTER) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE FRONT AUXILIARY HVAC CONTROL MODULE GRY WIRE HEATER, A/C CONTROL LOGIC MODULE (FRONT INTERIOR ROOF PANEL) HEATER, A/C CONTROLLER HOT AT ALL TIMES HOT AT ALL TIMES HOT IN RUN OR START HOT IN RUN HTR A/C FUSE 12 I/P FUSE BLOCK LT BLU WIRE LT GRN WIRE OFF LO MED HI OFF MAX ORG/ WIRE PNK WIRE PPL REAR AUXILIARY HVAC CONTROL MODULE REAR AUXILIARY MODE VALVE AND SEAL ASSY (LEFT REAR INTERIOR) REAR AUXILIARY TEMPERATURE VALVE ASSY (LEFT REAR INTERIOR) RED WIRE RR BLOWER FUSE RR CTRL RR HVAC FUSE 24 TAN WIRE TEMP UNDER HOOD FUSE-RELAY CENTER UNDER- HOOD FUSE/ RELAY CENTER A/C FUSE IGN E FUSE VEHICLE CONTROL MODULE (ON LEFT SIDE OF VENT HEAT BLEND DEF VENT HEAT BLEND DEF OFF MAX A/C BI-LEV VENT MODE WHT WIRE YEL WIRE

A/C COMPRESSOR CLUTCH COIL A/C COMPRESSOR ENABLE RELAY (IN UNDERHOOD FUSE/RELAY CENTER) A/C FUSE BI-LEV A/C MAX BLK WIRE BRN WIRE DEF DIODE (IN UNDERHOOD FUSE/ RELAY CENTER) DK GRN WIRE DK GRN/WHT WIRE HEATER, A/C CONTROLLER HIGH PRESSURE CUTOUT SWITCH HOT AT ALL TIMES I/P FUSE BLOCK HOT IN RUN HTR A/C FUSE 12 HOT IN RUN OR START IGN E FUSE LOW PRESSURE CUTOUT SWITCH LT GRN WIRE OFF ORG/ WIRE PNK WIRE POWERTRAIN CONTROL MODULE (BEHIND CENTER OF DASH) UNDERHOOD FUSE/RELAY CENTER VENT HEAT BLND WHT WIRE

A/C BI-LEV A/C COMPRESSOR CLUTCH COIL A/C COMPRESSOR ENABLE RELAY (IN UNDERHOOD FUSE/RELAY CENTER) A/C COMPRESSOR HIGH PRESSURE CUTOFF SWITCH (REAR OF A/C COMPRESSOR) A/C COMPRESSOR LOW PRESSURE CUTOFF SWITCH (IN REFRIGERANT LINE) A/C FUSE AUXILIARY BLOWER MOTOR AUXILIARY BLOWER MOTOR RESISTOR (LEFT REAR OF CABIN, BEHIND REAR WHEELWELL) BLK WIRE BLOWER FUSE BLOWER MOTOR BLOWER MOTOR RESISTOR/RELAY (RIGHT SIDE OF FRONT BLOWER MOTOR) BRN WIRE CONVENIENCE CENTER DIODE (IN UNDERHOOD FUSE/RELAY CENTER) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE FRONT AUXILIARY HVAC CONTROL MODULE GRY WIRE HEATER, A/C CONTROLLER HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START HTR A/C FUSE 12 I/P FUSE BLOCK LT BLU WIRE LT GRN WIRE OFF LO MED HI OFF MAX ORG/ WIRE PNK WIRE POWERTRAIN CONTROL MODULE (BEHIND PPL REAR AUXILIARY MODE VALVE AND SEAL ASSY (LEFT REAR INTERIOR) REAR AUXILIARY TEMPERATURE VALVE ASSY (LEFT REAR INTERIOR) RED WIRE RR BLOWER FUSE RR HVAC FUSE 24 TAN WIRE TEMP UNDER HOOD FUSE-RELAY CENTER UNDER- HOOD FUSE/ RELAY CENTER IGN E FUSE VENT HEAT BLEND DEF VENT HEAT BLEND DEF OFF MAX A/C BI-LEV VENT MODE WHT WIRE YEL WIRE

A/C BI-LEV A/C COMPRESSOR CLUTCH COIL A/C COMPRESSOR ENABLE RELAY (IN UNDERHOOD FUSE/RELAY CENTER) A/C COMPRESSOR HIGH PRESSURE CUTOFF SWITCH (REAR OF A/C COMPRESSOR) A/C COMPRESSOR LOW PRESSURE CUTOFF SWITCH (IN REFRIGERANT LINE) AUXILIARY BLOWER MOTOR AUXILIARY BLOWER MOTOR RESISTOR (LEFT REAR OF CABIN, BEHIND REAR WHEELWELL) BLK WIRE BLOWER FUSE BLOWER MOTOR BLOWER MOTOR RESISTOR/RELAY (RIGHT SIDE OF FRONT BLOWER MOTOR) BRN WIRE CONVENIENCE CENTER DIODE (IN UNDERHOOD FUSE/RELAY CENTER) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE FRONT AUXILIARY HVAC CONTROL MODULE GRY WIRE HEATER AND A/C CONTROL LOGIC MODULE (FRONT INTERIOR ROOF PANEL) HEATER, A/C CONTROLLER HOT AT ALL TIMES HOT AT ALL TIMES HOT IN RUN OR START HOT IN RUN HTR A/C FUSE 12 I/P FUSE BLOCK LT BLU WIRE LT GRN WIRE OFF LO MED HI OFF MAX ORG/ WIRE PNK WIRE POWERTRAIN CONTROL MODULE (BEHIND PPL REAR AUXILIARY HVAC CONTROL MODULE REAR AUXILIARY MODE VALVE AND SEAL ASSY (LEFT REAR INTERIOR) REAR AUXILIARY TEMPERATURE VALVE ASSY (LEFT REAR INTERIOR) RED WIRE RR BLOWER FUSE RR CTRL RR HVAC FUSE 24 TAN WIRE TEMP UNDER HOOD FUSE-RELAY CENTER UNDER- HOOD FUSE/ RELAY CENTER A/C FUSE IGN E FUSE VENT HEAT BLEND DEF VENT HEAT BLEND DEF OFF MAX A/C BI-LEV VENT MODE WHT WIRE YEL WIRE

A/C BI-LEV A/C COMPRESSOR CLUTCH COIL A/C COMPRESSOR ENABLE RELAY (IN UNDERHOOD FUSE/RELAY CENTER) A/C COMPRESSOR HIGH PRESSURE CUTOFF SWITCH (REAR OF A/C COMPRESSOR) A/C COMPRESSOR LOW PRESSURE CUTOFF SWITCH (IN REFRIGERANT LINE) A/C FUSE AUXILIARY BLOWER MOTOR AUXILIARY BLOWER MOTOR RESISTOR (LEFT REAR OF CABIN, BEHIND REAR WHEELWELL) BLK WIRE BLOWER FUSE BLOWER MOTOR BLOWER MOTOR RESISTOR/RELAY (RIGHT SIDE OF FRONT BLOWER MOTOR) BRN WIRE CONVENIENCE CENTER DIODE (IN UNDERHOOD FUSE/RELAY CENTER) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE FRONT AUXILIARY HVAC CONTROL MODULE GRY WIRE HEATER, A/C CONTROLLER HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START HTR A/C FUSE 12 I/P FUSE BLOCK LT BLU WIRE LT GRN WIRE OFF LO MED HI OFF MAX ORG/ WIRE PNK WIRE PPL REAR AUXILIARY MODE VALVE AND SEAL ASSY (LEFT REAR INTERIOR) REAR AUXILIARY TEMPERATURE VALVE ASSY (LEFT REAR INTERIOR) RED WIRE RR BLOWER FUSE RR HVAC FUSE 24 TAN WIRE TEMP UNDER HOOD FUSE-RELAY CENTER UNDER- HOOD FUSE/ RELAY CENTER IGN E FUSE VEHICLE CONTROL MODULE (LEFT SIDE OF VENT HEAT BLEND DEF VENT HEAT BLEND DEF OFF MAX A/C BI-LEV VENT MODE WHT WIRE YEL WIRE

A/C BI-LEV A/C COMPRESSOR CLUTCH COIL A/C COMPRESSOR ENABLE RELAY (IN UNDERHOOD FUSE/RELAY CENTER) A/C COMPRESSOR HIGH PRESSURE CUTOFF SWITCH (REAR OF A/C COMPRESSOR) A/C COMPRESSOR LOW PRESSURE CUTOFF SWITCH (IN REFRIGERANT LINE) AUXILIARY BLOWER MOTOR AUXILIARY BLOWER MOTOR RESISTOR (LEFT REAR OF CABIN, BEHIND REAR WHEELWELL) BLK WIRE BLOWER FUSE BLOWER MOTOR BLOWER MOTOR RESISTOR/RELAY (RIGHT SIDE OF FRONT BLOWER MOTOR) BRN WIRE CONVENIENCE CENTER DIODE (IN UNDERHOOD FUSE/RELAY CENTER) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE FRONT AUXILIARY HVAC CONTROL MODULE GRY WIRE HEATER, A/C CONTROL LOGIC MODULE (FRONT INTERIOR ROOF PANEL) HEATER, A/C CONTROLLER HOT AT ALL TIMES HOT AT ALL TIMES HOT IN RUN OR START HOT IN RUN HTR A/C FUSE 12 I/P FUSE BLOCK LT BLU WIRE LT GRN WIRE OFF LO MED HI OFF MAX ORG/ WIRE PNK WIRE PPL REAR AUXILIARY HVAC CONTROL MODULE REAR AUXILIARY MODE VALVE AND SEAL ASSY (LEFT REAR INTERIOR) REAR AUXILIARY TEMPERATURE VALVE ASSY (LEFT REAR INTERIOR) RED WIRE RR BLOWER FUSE RR CTRL RR HVAC FUSE 24 TAN WIRE TEMP UNDER HOOD FUSE-RELAY CENTER UNDER- HOOD FUSE/ RELAY CENTER A/C FUSE IGN E FUSE VEHICLE CONTROL MODULE (ON LEFT SIDE OF VENT HEAT BLEND DEF VENT HEAT BLEND DEF OFF MAX A/C BI-LEV VENT MODE WHT WIRE YEL WIRE

BLK WIRE BRN WIRE CONVENIENCE CENTER (UNDER LEFT SIDE OF DASH) FIXED GLASS HEATED MIRROR SWITCH HEATER, A/C CONTROLLER HOT AT ALL TIMES HOT IN HTD MIR FUSE 2 HTR A/C FUSE 12 I/P FUSE BLOCK (ON LEFT LOWER RR DEFOG FUSE 22 KICK PANEL) LEFT POWER REAR VIEW MIRROR LEFT REAR WINDOW DEFOGGER GRID MOVING GLASS ORG/ WIRE PPL PPL FIXED GLASS MOVING GLASS PPL PPL REAR WINDOW DEFOGGER RELAY (BOTTOM OF LEFT "B" PILLAR) RIGHT POWER REAR VIEW MIRROR RIGHT REAR WINDOW DEFOGGER GRID RIGHT REAR WINDOW DEFOGGER GRID RUN WIRE SOLID STATE TIMER

BLK WIRE BRN WIRE CONVENIENCE CENTER (UNDER LEFT SIDE OF DASH) HEATED MIRROR SWITCH HEATER, A/C CONTROLLER HOT AT ALL TIMES HOT IN HTD MIR FUSE 2 HTR A/C FUSE 12 I/P FUSE BLOCK (ON LEFT LOWER KICK PANEL) LEFT POWER OUTSIDE REAR VIEW MIRROR ORG/ WIRE RIGHT POWER OUTSIDE REAR VIEW MIRROR RUN WIRE SOLID STATE TIMER W/ UPFITTER PROVISIONS ONLY

AUXILIARY BLOWER MOTOR SWITCH AUXILIARY HEAT BASE BASE I/P FUSE BLOCK BLK WIRE DIESEL DK GRN WIRE FROM HEADLAMP SWITCH GASOLINE GASOLINE DIESEL GRY WIRE HEATER, A/C CONTROLLER HOT AT ALL TIMES UNDERHOOD FUSE/RELAY CENTER HORN FUSE HOT IN ACCY, RUN RADIO-I FUSE 17 HOT IN RUN TRANS FUSE 20 I/P FUSE BLOCK ILLUM FUSE 14 INSTRUMENT CLUSTER MULTI-FUNCTION ALARM MODULE NCA WIRE NON- BASE ODOMETER ORG/ WIRE PASSENGER PNK WIRE PPL PPL/WHT WIRE PRNDL RADIO REAR AUXILIARY HVAC CONTROL MODULE FRONT AUXILIARY HVAC CONTROL MODULE REMOTE CD PLAYER TAN WIRE UNDER- HOOD LAMP UNDER- HOOD REEL LAMP WHT WIRE YEL WIRE