2004 John Deer Buck Utility ATV 500, 500EX and 500EXT Service Manual, Page 141Get this manual

2004 John Deer Buck Utility ATV 500, 500EX and 500EXT Service Manual, Page 141

The battery supplies power to the entire vehicle and particularly the MPEM which then distributes the current to many componentsTherefore, DC current only is used in the entire electrical system An IDI (Induction Discharge Ignition) system is utilizedThe ignition system is made up of the following components:
When ignition switch is turned on and startstop switch is pressed, the MPEM sends signal to the starting solenoidThe battery then supplies the starter through the starting solenoid to start the engine

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