TM 10-3930-641-20
ELECTRICAL SYSTEMS TROUBLESHOOTING (CONT)
(Sheet 1 of 2)
PROBLEM NO. 14
INDICATOR LIGHTS
HI FUEL LEVEL INDICATOR REMAINS ON
Engine not running. Fuel level LOW. POWER switch ON.
This circuit uses a normally-open (N.O.) magnetic float switch which will be closed if the fuel level in the tank is sufficient for a 10-hour wmrk day.
Power to the circuit is supplied by the alternator relay terminal 2 when the POWER switch is in the ON position. The circuit is deactivated after the
engine starts.
HIGH FUEL LEVEL INDICATOR CIRCUIT
Go on to Sheet 2