1999-2002 TRX400EX Fourtrax Service Manual, Page 237Get this manual
ELECTRIC STARTER
TROUBLESHOOTING
Starter motor will notturn Check for blown fuse (15 A) Checkthatthe battery isfully charged and in good condition Check for loose or poorly connected battery cable, and open circuit in battery cable Abnormal - Poorlv connected batterv cable Open'circuit in battery cable
Check for loose or poorly connected starter relav switch terminals and connectors
Abnormal
Poorly connected terminals or connectors
Check for loose or poorly connected starter motor cableand ODen circuit in starter motor cable
Abnormal
Poorly connected starter motor cable
Open circuit in starter motor cable
With the ignition switch ON, push the starter- switch and check for "Click" sound from the starter relay switch