2008 Arctic Cat ThunderCat ATV Service Manual, Page 103Get this manual
2Install the needle adapters to the multimeter leads; then select DC Voltage on the multimeter3Connect the red tester lead to the bluebrown wire (B) and the black tester lead to the blackyellow wire (A); then turn the ignition switch ON and observe the meterThe meter should read 0.8-3.0 DC volts
Throttle Position Sensor (TPS)
INSPECTING 1Remove the right-side engine cover; then disconnect the three-wire TPS connector plug