TM 5-3805-291-23-1
THEORY OF OPERATION - CONTINUED
0003 00
ELECTRO-HYDRAULIC SYSTEM - CONTINUED
4.
Switches.
a.
General.
(1)
Switch inputs provide one of these input signals to implement ECM:
Open
Ground
+Battery
(2)
Switch inputs are two-state equipment. Switches are either open or closed.
When a switch is open, no signal is provided to corresponding implement ECM input.
When a switch is closed, either a ground signal or a +battery signal is provided to cor-
responding implement ECM input.
Switches may have a combination ofswitch inputs in one component.
b.
Implement Control Switches.
(1)
Hydraulic Lockout Switch.
427-C1815
0003 00-147