2004-2005 Kawasaki STX-15F Jet Ski Factory Service Manual., Page 366Get this manual
ELECTRICAL SYSTEM 14-51 Kawasaki Smart Steering System
Steering Position Sensor Input Voltage Inspection
Measure the input voltage to the steering position sensorConnect digital voltmeter [A] to the lead connector [B]
of the steering position sensor using the needle adapter set [C]Special ToolNeedle Adapter Set: 57001-1457 Connections to Steering Position Sensor Connector Meter (+) RW Terminal Meter () BK Terminal