4.3l vin x, cooling fan circuit for GMC Sierra 1500 (2000-2012)
4.3l vin x, cooling fan circuit
13 34 12 59 58 17 27 28 8 65 25 13 5 49 44 43 LOW REF
22 21 4 58 LOW REF ECT SENS SIG
4.8L, 5.3L, 6.2L 4.3L
BLK WIRE
COMPUTER DATA LINES SYSTEM
COOLING FAN DIODE 1
COOLING FAN DIODE 2
DK BLU/WHT WIRE
DK GRN WIRE
ENGINE CONTROL MODULE (ECM)
FAN CNTRL RELAY
FAN HI RELAY
FAN LO RELAY
FAN-1 FUSE 60
FAN-2 FUSE 62
GRY WIRE
HOT AT ALL TIMES
LEFT COOLING FAN (LEFT FRONT OF ENGINE COMPT)
LT BLU WIRE
ORG/BLK WIRE
PWR/ TRN RELAY
RIGHT COOLING FAN (RIGHT FRONT OF ENGINE COMPT)
SENS SIG PWRTRN RLY CTRL FAN RLY CTRL FAN RLY CTRL DATA BUS (-) DATA BUS (+)
TAN WIRE
TAN/BLK WIRE
UNDER- HOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT)
YEL WIRE
