2009 Suzuki 400 LTZ Quad Sport Service Manual, Page 469Get this manual
9C-3 Combination MeterFuel MeterHorn: 3) When the switch is immersed in kerosene, the bulb should go outIf the bulb remains lit, replace the unit with new oneNOTE When the bulb turns off, immediately pick up the switch from kerosene After the check has been completed, wash the switch with gasoline2) Connect the variable resistor (2) between the terminals OFF Test bulb
Battery
I718H1930009-05
Kerosine
I933H1930006-01
4) Reinstall the fuel level gauge assemblyRefer to "Fuel Level Gauge Removal and Installation in Section 1G (Page 1G-7)"
3) Turn the ignition switch ON4) Check the indicator light (3) operations when the resistance is adjusted to the specified valuesIf either one or all indications are abnormal, replace the indicator light with new oneRefer to "Indicator Light Removal and Installation (Page 9C-1)"Indicator Resistance Water temperature light (3) Approx0.14 OFF Approx115 (Jumper wire) ON 120 and over