2010 Arctic Cat 700 Diesel SD ATV Service Manual, Page 125Get this manual
2Connect the power supply (positive) to one bulb contact; then connect the power supply (negative) to the remaining bulb contact3The bulb should illuminate4If the bulb fails to illuminate, it must be replacedVOLTAGE NOTE: Perform this test in turn on the main harness side of all four connectorsAlso, the ignition switch must be in the LIGHTS positionNOTE: The LO beam is the outside bulb, and the HI beam is the inside bulb
NOTE: Make sure the brake lever (hand) and brake pedal (auxiliary) are properly adjusted for this procedure
1Set the meter selector to the DC Voltage position2Connect the red tester lead to the redblue wire; then connect the black tester lead to the black wire3With either brake applied, the meter must show battery voltageNOTE: If the meter shows no voltage, inspect bulb, fuses, wiring harness, connectors, and switches
1Set the meter selector to the DC Voltage position2Connect the red tester lead to one wire; then connect the black tester lead to the other wire3With the dimmer switch in the LO position, test the two outside connectors (LO beam)The meter must show battery voltage4With the dimmer switch in the HI position, test the two inside connectors (HI beam)The meter must show battery voltageNOTE: If battery voltage is not shown in any test, inspect the fuses, battery, main wiring harness, connectors, or the left handlebar switch