2009 Arctic Cat 90 ATV Service Manual, Page 66Get this manual
PEAK VOLTAGE NOTE: All of the peak voltage tests should be made using the Fluke Model 73 Multimeter (pn 0644-191) with Peak Voltage Reading Adapter (pn 0644-307)If any other type of tester is used, readings may vary due to internal circuitryNOTE: The battery must be at full charge for this test
2Connect the red tester lead to the yellow wire; then connect the black tester lead to the greenblack wire3Crank the engine over using the electric starterThe meter must read 3.5-4.5 AC volts
Brakelight Switch
The switch connector is the two individual single connectors located beneath the left-front fenderNOTE: The ignition switch must be in the ON position