Heater circuit for GMC Savana H1500 (2003-2013)
Heater circuit
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