2008 Arctic Cat 400/500/650/700 ATV Service Manual, Page 345Get this manual
Brakelight Switch (Handlebar Control)
To access the connector, remove the access panelNOTE: The ignition switch must be in the ON position
VOLTAGE (Wiring Harness Connector) 1Set the meter selector to the DC Voltage position2Connect the red tester lead to the orange wire; then connect the black tester lead to ground
3When the lever is compressed, the meter must show less than ohmNOTE: If the meter shows more than ohm of resistance, replace the switch
Oil Temperature and Cooling Fan Switches
NOTE: This model has an oil temperature switch and cooling fan switch
1Connect the meter leads (selector in the OHMS position) to the switch contacts2Suspend the switch and thermometer in container of cooking oil; then heat the oilNOTE: Neither the switch nor the thermometer should be allowed to touch the bottom of the container or inaccurate readings will occurUse wire holders to suspend switch and thermometer