TM 5-2410-241-23-1
0021
Table 2. Chassis Troubleshooting Procedures - Continued.
0021
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
821-4 Display Power Supply
2. Turn ignition switch and battery
Voltage Below Normal -
disconnect switch to OFF position
Continued
(TM 5-2410-241-10).
3. Disconnect dash monitor connec-
tor E-C7 (WP 0018, Figure 5)
from instrument panel (WP 0262).
4. Disconnect instrument panel har-
ness gauge cluster connector E-
C9 (WP 0018, Figure 86) from
gauge cluster (WP 0262).
5. Disconnect instrument panel har-
ness lamp gear module connector
E-C10 (WP 0018, Figure 87) from
lamp gear module (WP 0262).
6. Using digital multimeter (WP
1.
If continuity is found, replace
0296), test for continuity between
instrument panel harness (WP
pin 34 on dash monitor connector
0260). Ensure all harness con-
E-C7 (WP 0018, Figure 5) and all
nectors are reconnected. Verify
other pins in dash monitor con-
correct operation of machine (TM
nector E-C7 (WP 0018, Figure 5).
5-2410-241-10).
2.
If continuity is NOT found, pro-
ceed to step 7.
7. Connect dash monitor connector
E-C7 (WP 0018, Figure 5) on
instrument panel (WP 0262).
8. Turn battery disconnect switch
and ignition switch to ON position
(TM 5-2410-241-10).
9. Using digital multimeter (WP
1. If 8.5 - 9.5 Volts is found, proceed
0296), measure for voltage
to step 10.
between pin 1 and 2 on instru-
2. If 8.5 - 9.5 Volts is NOT found,
ment panel harness gauge cluster
replace dash monitor ECM (WP
connector E-C9 (WP 0018,
0262). Ensure all harness con-
Figure 86).
nectors are reconnected. Verify
correct operation of machine (TM
5-2410-241-10).
0021-33