2001-2002 Yamaha XLT800 WaveRunner Service Manual, Page 378Get this manual
INDICATION SYSTEM
E Checking steps: Connect the battery terminals to the white four-pin connector as shownNOTE: If the multifunction meter has been removed from the water vehicle, supply DC 12 voltage to the connector (+: red,black) with batteryDisconnect the blue one-pin connector and make sure the "WARNING" lamp lights