TM 5-2420-231-23-1
0044
Table 1. Front Blackout Light Does Not Function Correctly - Continued.
044
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. Disconnect blackout light wiring
Front Blackout Light Does
harness connector (Figure 2,
Not Function Correctly -
Item 6) (WP 0007, Figure 124)
Continued
from blackout light wiring harness
connector (Figure 2, Item 5) (WP
0193).
3. Connect batteries (WP 0157) and
turn ignition switch to the on posi-
tion (TM 5-2420-231-10).
4. Using a digital multimeter, mea-
Voltage 10 to 14 Volts - Replace
sure voltage between blackout
blackout lamp (WP 0193).
light wiring harness connector (WP
Proceed to Test Step 8.
0007, Figure 124) terminal 59D
Voltage Less Than 10 Volts - Proceed
and machine ground. Voltage
to Test Step 3.
should be 10 to 14 volts.
Test Step 3. Check for Open Ground
to Blackout Light.
1. Turn ignition switch to the off posi-
tion (TM 5-2420-231-10) and dis-
connect batteries (WP 0157).
2. Inspect blackout light connector
Blackout Light Ground Connection
(WP 0007, Figure 124) terminal 30
Tight and Free of Corrosion - Proceed
for tightness and corrosion.
to Test Step 4.
Blackout Light Ground Connection
Loose and/or Corroded - Clean and/
or tighten blackout light wiring harness
ground connector (WP 0007, Figure
124) (WP 0370).
Proceed to step 3.
0044-3