1990-1998 Arctic Cat Snowmobiles Repair Manual, Page 253Get this manual
FUEL SYSTEM-FUEL-INJECTED MODELS 2Connect the red lead from the harness to the positive (+) terminal of 12 VDC battery and the black lead to the negative (-) terminal of the same battery3Tum the analyzer switch ON and press the MENU SELECT buttons as necessary until KOKUSAN appears on the display4Press the TEST buttonThe analyzer is now set up to begin testing the system