2011 Arctic Cat 400 TRV ATV Service Manual, Page 91Get this manual
NOTE: If battery voltage is not shown in any test, inspect the LIGHTS fuse, battery, main wiring harness, connectors, or the left handlebar switch 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 position
TaillightBrakelight
The connector is the 3-prong one located under the rear fender assemblyVOLTAGE (Taillight)
NOTE: Perform this test on the main harness side of the connectorAlso, the ignition switch should be in the LIGHTS position
2Connect 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 the white wire; then connect the black tester lead to the black wire3With the ignition key in the LIGHTS position, the meter must show battery voltageNOTE: If the meter shows no voltage, inspect fuses, wiring harness, connectors, and switches