2005 Kawasaki STx-12F Jet Ski Factory Service Manual., Page 367Get this manual
ELECTRICAL SYSTEM 14-55 M ult ifun cti on Meter
Display Function Inspection
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Connect the battery positive terminal to the terminal [1]Connect the battery negative terminal to the terminal [2][1] Battery (+) [2] BK, Ground-[3] RBL, Speed Sensor [4] RW Ignition Switch (+) [5] WR, Fuel Level Sensor [6] BLBK, Diagnosis Signal [7] GY, Tachometer Pulse [8] GR, Speed Sensor Pulse [9] BKW, Buzzer (-) [10] RBK, Buzzer (+) [11] YBL, SLO (Smart Learning Operation) Mode
Battery Voltage Range: 10 16 V