TM 5-3895-379-23
TROUBLESHOOTING PROCEDURES - CONTINUED
0006 00
Table 2. Electrical Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Warning and Indicator Lights Do Not 5. Check for power to functional 1. If 24 to 28 Vdc are not measured
5.
light relay. Remove nine screws
at terminal 1 (wire 123-WH) and
Operate - Continued.
and washers remove panel from
GAUGES fuse is good, turn
operator station. Remove harness
engine start switch and battery
connector from functional light
disconnect switch to OFF position
relay. Turn battery disconnect
(TM 5-3895-379-10). Repair or
switch and engine start switch to
replace wire 123-WH and
ON position (TM 5-3895-379-
connectors to GAUGES fuse
10). Touch positive (+) probe of
holder (WP 0108 00).
multimeter to terminal 1 (wire
123-WH) and negative (-) probe 2. If 24 to 28 Vdc are measured at
terminal 1, turn engine start switch
of multimeter to good ground.
and battery disconnect switch to
OFF position (TM 5-3895-379-
10). Go to Step 6.
6. Check continuity of functional 1. If multimeter does not measure
light relay. Remove functional
zero ohms, replace functional light
light relay from operator station
relay (WP 0068 00).
check ohms. Touch positive (+) 2. If multimeter measures zero ohms,
go to Step 7.
probe of multimeter to terminal
85 and negative (-) probe of
multimeter to terminal 86 of
functional light relay. Multimeter
should measure zero ohms.
PANEL
ASSEMBLY
SCREW
WASHER
SCREW
WASHER
RELAY
TERMINALS
2
1
HARNESS
4
CONNECTOR
3
5
OPERATOR
FUNCTIONAL
401-200
STATION
LIGHT RELAY
0006 00-67
