2-2. CAB INTERIOR CONTROLS AND INDICATORS - Continued
Heater HI/LO/OFF Switch
Controls speed of cab heater fan.
DEFROST OFF/MAX Lever
Regulates temperature for windshield defroster.
HEATING OFF/MAX Lever
Regulates temperature for cab heater.
VOLTS Indicator Light/Alarm
Indicates below normal voltage in battery circuit.
ETHER START Switch
Injects ether into engine for cold starting.
Rotate clockwise to turn on windshield wipers.
Push to activate windshield washer.
DIFF LOCKED Indicator Light (Red)
Indicates when axle differentials are locked.
Slide lever left to engage differential locks.
Slide lever right to disengage.