Buick LaCrosse I (2004-2009) 4 20 48 hi spd fan rly lo spd fan rly class 2 serial Wiring diagram
This page shows the only wiring diagram for the component.4 20 48 hi spd fan rly lo spd fan rly class 2 serial, which is found in the car Buick LaCrosse I (2004-2009). This component is only found in one wiring diagram on your vehicle, and you can see its details here. If necessary, you can also go to other diagrams for this system for more information..
Wiring diagram 4 20 48 hi spd fan rly lo spd fan rly class 2 serial (1 of 1)
23 7 ECT SENS SIG LOW REF
4 20 48 HI SPD FAN RLY LO SPD FAN RLY CLASS 2 SERIAL
BLK WIRE
COMPUTER DATA LINES SYSTEM
DK BLU WIRE
DK GRN WIRE
ENGINE CONTROL MODULE (ECM) (TOP OF ENGINE)
FAN 1 FUSE 29
FAN 1 RELAY 42
FAN 2 FUSE 32
FAN 2 RELAY 46
FAN 3 RELAY 43
GRY WIRE
HOT AT ALL TIMES
LEFT COOLING FAN MOTOR (ON LEFT SIDE OF RADIATOR)
LT BLU WIRE
RIGHT COOLING FAN MOTOR (ON RIGHT SIDE OF RADIATOR)
TAN WIRE
UNDERHOOD FUSE BLOCK (MOUNTED TO RIGHT STRUT TOWER)
WHT WIRE
YEL WIRE
Go to component -> 3.6l vin 7, cooling fan circuit -> 4 20 48 HI SPD FAN RLY LO SPD FAN RLY CLASS 2 SERIAL
