1998-2000 Yamaha WaveRunner GP800 Factory Service Manual, Page 159Get this manual
INDICATION SYSTEM
Fuel level gauge 1Check: Fuel level gauge Not operating Replace the multifunction meterChecking steps: Supply12 to the white four-pin connector (+: red, -: black) with remote battery or an AC adapter Disconnect the green two-pin connector (whiteblue and black leads) Connect the whiteblue and black terminals with ajumper lead D Connect the green and red terminals with ajumper lead NOTE: When using remote battery, remove the jumper lead within 30 seconds after installation, then reinstall itIf the jumper lead is installed for more than 30 seconds, the display will automatically turn off Remove the jumper lead from the green two-pin connector Make sure the fuel segments (F1 F-AL) and the" FUEL" message display, the "WARNING" lamp operates properly, and the buzzer sounds intermittently