TM 5-3805-254-20-1
ELECTRICAL SYSTEM - CONTINUED
P.T.O. (POWER TAKE OFF) INDICATOR LAMP
Current supplied through KEY SWITCH when turned on. Air pressure activates pto pressure switch completing circuit and
illuminating indicator lamp.
HEADLIGHT HIGH BEAM INDICATOR LAMP
Current supplied through high beam wiring from headlight beam selector switch.
OIL PRESSURE/WATER TEMPERATURE INDICATOR LAMP
Current supplied through oil pressure switch and/or water temperature switch. When oil pressure drops or water
temperature rises beyond limits, oil pressure switch or water temperature switch complete circuit and allow current to flow
illuminating indicator lamp.
TRANSMISSION TEMP GAGE
Responds to impulse from transmission oil temperature gage switch.
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