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TM 9-2320-364-20-3
2-2487
20
10
19
9
18
8
17
7
16
6
15
5
14
4
13
3
12
2
11
1
STEERING WHEEL
SHOWN REMOVED
FOR CLARITY
ENGINE SWITCH
HYDRAULIC
SELECTOR
SWITCH
(1) Disconnect wire 1790 from powerbox
terminal 2.
(2) Set multimeter select switch to volts DC.
(3) Connect positive (+) multimeter lead to
wire 1790.
(4) Connect negative (–) multimeter lead
to a known good ground.
(5) Turn ON ENGINE switch
(TM 9-2320-364-10).
(a) If 22 to 28 vdc are not present,
perform Step (6) below and repair
wire 1790 (see schematic Fig 2-56)
or notify DS Maintenance.
(b) If 22 to 28 vdc are present,
perform Steps (6) and (7) below
and go to Step 8 of this Fault.
(6) Turn OFF ENGINE switch.
(7) Connect wire 1790 to powerbox terminal 2.
VOLTAGE TEST
Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry or tools contact positive electrical
circuits, a direct short may result. Damage to equipment, injury or death to personnel may occur.
POWERBOX
WIRE
1790
TERMINAL 2
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