1998-2004 Honda Foreman 450 factory service manual, Page 448Get this manual
SELECTABLE 4WD SYSTEM (After '01) Check for continuity between the PinkBlack connector erminal of the wire harness side and body groundAbnormal Shorted PinkBlack wire
CONNECTION: PinkBlack (+)Body ground STANDARD: No continuity
Normal Check th front final clutch speed sensor- Loose sensor connectionContamination of the sensor and ring gearDamaged sensor Normal Disconnect the meter speed sensor connector (3PB lack)Reconnect the front clutch speed sensor and meter speed sensor con nectorCheck the number of times the 4WD indicator blinks when driving in 4WD over 15 kmh (9 mih) Two blinks Check for loose or poor contact on the wire harnessAbnormal Loose or poor contact on wire harness Three blinks Abnormal Loosen sensor bolt Contaminated sensor Faulty sensor