TM 5-3805-248-23-1
THEORY OF OPERATION - CONTINUED
0003 00
ELECTRICAL SYSTEM - CONTINUED
(6)
Tachometer. Indicates engine RPM for best shift times.
(7)
Ground-driven steering indicator. Signals activation/operation of ground-driven steering pump, indicating
engine or steering pump failure.
GROUND-
DRIVEN
STEERING
INDICATOR
394-156
b.
Instrument panel switches and lights.
(1)
Horn button. Manual activation. Electrically opens a solenoid valve, which operates air-actuated horns.
(2)
Horn override. Electrical override for low air pressure warning horn.
(3)
Instrument panel light. Illuminates instrument panel.
(4)
Wiper control. Controls operation of windshield wiper.
INSTRUMENT PANEL LIGHT
WIPER
CONTROL
HORN OVERRIDE
HORN
394-155
0003 00-5
