Auxiliary heater-a/c circuit for GMC Suburban K2500 (1985-1999)
Auxiliary heater-a/c circuit
1995 VFTC
77 OR 1923
AUXILIARY HEATER AND A/C CONTROL MODULE (FRONT) (OVERHEAD CONSOLE)
AUXILIARY HEATER AND A/C CONTROL MODULE (REAR) (OVERHEAD CONSOLE)
AUXILIARY HEATER AND A/C MODULE
BATTERY
BLK WIRE
BLOWER MOTOR (BEHIND LEFT REAR WHEELWELL)
BLOWER RESISTOR
BRN WIRE
CONTROL INPUT
CONVENIENCE CENTER (UNDER LEFT SIDE OF I/P)
DK BLU OR ORG WIRE
DK BLU WIRE
FUSE BLOCK
GROUND
GROUND IGNITION
GRY WIRE
HIGH BLOWER RELAY (ON AUXILIARY HEATER-A/C MODULE)
HOT IN RUN
HOT IN RUN A/C MAXI FUSE 3
HOT W/HEADLAMP SWITCH IN PARK OR HEAD
ILLUM FUSE 14
LOW BLOWER RELAY (ON AUXILIARY HEATER-A/C MODULE)
LT BLU WIRE
MEDIUM BLOWER RELAY (ON AUXILIARY HEATER-A/C MODULE)
MODE DOOR ACTUATOR (UNDER I/P, ON HEATER A/C CASE)
ORG/ WIRE
REAR CTRL A/C FRT CTRL A/C
RED WIRE
RR HVAC
TEMP DOOR ACTUATOR (UNDER I/P, ON HEATER A/C CASE)
UNDERHOOD FUSE/RELAY CENTER
W/ HTR W/O HTR
WHT WIRE
YEL WIRE