2005-2007 Polaris Ranger 500 service manual, Page 314Get this manual
ELECTRICAL EFI DIAGNOSTICS
EFI Component Testing
All EFI component information and diagnostic testing procedures are located in Chapter 4Refer to Chapter "Electronic Fuel Injection System (EFI)" when diagnosing an EFI System
Charging System "Break Even" Test CAUTION
Do not allow the battery cables to become disconnected with the engine runningFollow the steps below as outlined to reduce the chance of damage to electrical componentsThe "break even" point of the charging system is the point at which the alternator overcomes all system loads (lights, etc and begins to charge the batteryDepending on battery condition and system load, the break even point may vary slightlyThe battery should be fully charged before performing this test