1998-2001 Honda Fourtrax Foreman TRX450S, TRX450ES Factory Service Manual, Page 364Get this manual
LIGHTSMETERSSWITCHES TRX45OS: IGNITION SWITCH
COOLING FAN MOTOR
COOLING FAN CONTROL UNIT
OIL THERMO SENSOR
TRX450ES:
IGNITION SWI'TCH COOLING FAN CONTROL UNIT