Manual a/c circuit for Buick Century VI (1997-2005)
Manual a/c circuit
3.8L 3.1L
A/C CLU DIODE
A/C CLUTCH RELAY 15
A/C COMPRESSOR CLUTCH
A/C REFRIGERENT PRESSURE SENSOR (AT LEFT FRONT STRUT TOWER, ON A/C LIQUID LINE)
BLK WIRE
BREAKOUT)
BRN WIRE
COOL FAN 1 FUSE COOL FAN 2 FUSE A/C CLUTCH FUSE 23
COOL FAN 1 RELAY
COOL FAN 2 RELAY
COOL FAN 3 RELAY
DEFOGGER SYSTEM
DK BLU WIRE
DK GRN WIRE
DK GRN/WHT WIRE
DRVR TEMP CTRL
ENGINE CONTROLS SYSTEM
FAN OFF INPUT A/C REQUEST SIG IGNITION DEFOGGER ON PASS TEMP CTRL
GRY WIRE
HIGH BLOWER FUSE
HIGH BLOWER RELAY
HOT AT ALL TIMES
HOT IN RUN
HVAC CONTROL MODULE
HVAC FUSE
I/P FUSE BLOCK (BEHIND RIGHT SIDE OF DASH)
IGN
IGN MAIN RELAY (CLOSED IN RUN OR START)
INTERIOR LIGHTS GROUND BATTERY LAMP DIM SIG
LEFT COOLING FAN BLOWER MOTOR (BEHIND RIGHT SIDE OF DASH, IN HVAC MODULE)
LEFT COOLING FAN DIODE (3.1L)
LOW BLOWER FUSE
LT BLU WIRE
NCA WIRE
OFF LO
ORG/ WIRE
ORG/BLK WIRE
POS
PPL
RDO, HVAC, RFA CLSTR, CEL TEL FUSE
RED/BLK WIRE
RIGHT AIR TEMPERATURE ACTUATOR (RIGHT SIDE OF HVAC MODULE)
RIGHT COOLING FAN DIODE (3.1L)
TAN WIRE
UNDERHOOD FUSE BLOCK (RIGHT SIDE OF ENGINE COMPT, MOUNTED TO STRUT TOWER)
WHT WIRE
WHT/BLK WIRE
YEL WIRE