2003 Polaris ATV Trail Boss 330 Factory Service Manual, Page 184Get this manual
ELECTRICAL
CHAPTER 10 ELECTRICAL
Special Tools and Electrical Service Notes Timing Check Procedure Transmission Gear Position Switch Testing Speed Limiter SystemTroubleshooting Oil Cooler Fan Circuit Operation ThermistorFan Control Testing Fan Motor Current Draw Test Electronic Throttle Control System Operation Flywheel Identification DCCDI Operation ES32PF 200 Watt Alternator, Exploded View Ignition System Testing Ignition System Troubleshooting Cranking Output Tests Charging System Testing Battery Service HeadlightTail Light Service Starter System Testing Starter System Troubleshooting Starter Motor Service Starter Drive Wiring Diagram