Compressor circuit for GMC Sierra 1500 (2000-2012)
Compressor circuit
1 5 6 15 B(+) GMLAN L LW PRSS GROUND
3340 5060 204 1050 COMPUTER DATA LINES SYSTEM
4.3L
6.6L EXCEPT 4.3L, 6.6L 4.3L
A/C CMPRSR FUSE 17 (EXCEPT 6.6L) FUSE 16 (6.6L)
A/C CMPRSR RELAY
A/C IND
A/C LOW PRESSURE SWITCH (ON RIGHT SIDE OF A/C ACCUMULATOR)
A/C ON
A/C REFRIGERANT PRESSURE SENSOR (NEAR COMPRESSOR, ON A/C HIGH PRESSURE HOSE)
BLK WIRE
BLU WIRE
DK BLU WIRE
DK GRN WIRE
DK GRN/WHT WIRE
ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD)
GRY WIRE
HOT AT ALL TIMES
HVAC BATT FUSE 39 (EXCEPT 6.6L) FUSE 36 (6.6L)
HVAC CONTROL MODULE
LOGIC
MANUAL A/C AUTOMATIC A/C
ORG/BLK WIRE
RED/WHT WIRE
TAN WIRE
UNDER- HOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT)
WHT/ BLK WIRE