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TM 9-2320-364-20-2
2-1197
(1) Connect positive (+) multimeter lead
to terminal 30 of relay R4.
(2) Connect negative (–) multimeter lead
to a known good ground.
(3) Turn on worklight switch
(TM 9-2320-364-10).
(4) Turn ON ENGINE switch.
(a) If 10 to 14 vdc are not present,
turn OFF ENGINE switch and
worklight switch and repair
wire 1040 (see schematic
Fig 2-27) or notify DS
Maintenance.
(b) If 10 to 14 vdc are present,
wire 1040 is OK.
(5) Turn OFF ENGINE switch.
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.
Circuit breakers CB5, CB6, CB12, CB20, CB22, CB23 and relays R3, R13, R19, R26, R28, R32, R33
are always electrically hot and can cause severe injury to personnel. Care must be exercised when
working under the electrical cirsuit board cover.
Relay tests must be performed with relay
partially removed.
NOTE
(1) Connect positive (+) multimeter lead
to relay R4, terminal 85.
(2) Connect negative (–) multimeter lead
to a known good ground.
(3) Turn ON ENGINE switch
(TM 9-2320-364-10).
(a) If 10 to 14 vdc are not present,
turn OFF ENGINE switch and
repair wire 1040A (see schematic
Fig 2-27) or notify DS
Maintenance.
(b) If 10 to 14 vdc are present,
wire 1040A is OK.
(4) Turn OFF ENGINE switch.
(5) Turn off worklight switch.
VOLTAGE TEST
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