1998-2004 Honda Foreman 450 factory service manual, Page 409Get this manual
2WD4WD SWITCH (After '01) Check for continuity between the Brown Red and Brown Black terminals
STANDARD: Continuity when switched to "4WD"
NEUTRALREVERSE SWITCH
INSPECTION
TRX450SIFM:
'98'01 SHOWN:
Disconnect the neutralreverse switch 2P connector
SWITCH CONNECTOR
The neutralreverse switch is functional if continuity exists between the Light greenred wire terminal of the switch side and body ground on ly when the transmission is in neutralAlso continuity exists between the Gray wire terminal of the switch side and body ground only when the transmission is in reverseFor TRX450ESFE gear position switch inspection see page 21-29