TM 5-2420-231-23-1
0045
Table 1. Rear Taillights and/or Blackout Marker Lights Do Not Function Correctly - Continued.
045
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. Disconnect left taillight (WP 0007,
Rear Taillights and/or
Figure 93) terminal 3 from rear
Blackout Marker Lights Do
lights wiring harness connector
Not Function Correctly -
(WP 0007, Figure 92) terminal 3.
Continued
3. Connect batteries (WP 0157) and
turn ignition switch to the on posi-
tion (TM 5-2420-231-10).
4. Place light control switch in the
SER. DRIVE position (TM 5-2420-
231-10).
5. Using a digital multimeter, mea-
Voltage 10 to 14 Volts - Replace left
sure voltage between rear lights
taillight assembly (WP 0192).
wiring harness connector (WP
Proceed to Test Step 21.
0007, Figure 92) terminals 3 and 7
Voltage Less Than 10 Volts - Replace
(ground). Voltage should be 10 to
rear lights wiring harness (WP 0184).
14 volts.
Proceed to Test Step 21.
Test Step 3. Check for Faulty Right
Blackout Taillight.
1. Turn ignition switch to the off posi-
tion (TM 5-2420-231-10) and dis-
connect batteries (WP 0157).
2. Disconnect right taillight (WP
0007, Figure 95) terminal 3 from
rear lights wiring harness connec-
tor (WP 0007, Figure 94)
terminal 3.
3. Connect batteries (WP 0157) and
turn ignition switch to the on posi-
tion (TM 5-2420-231-10).
4. Place light control switch in the
SER. DRIVE position (TM 5-2420-
231-10).
5. Using a digital multimeter, mea-
Voltage 10 to 14 Volts - Replace right
sure voltage between rear lights
taillight assembly (WP 0192).
wiring harness connector (WP
Proceed to Test Step 21.
0007, Figure 94) terminals 3 and 7
Voltage Less Than 10 Volts - Replace
(ground). Voltage should be 10 to
rear lights wiring harness (WP 0184).
14 volts.
Proceed to Test Step 21.
Test Step 4. Check for Faulty Left
Front Marker Light.
1. Turn ignition switch to the off posi-
tion (TM 5-2420-231-10) and dis-
connect batteries (WP 0157).
2. Disconnect left marker light (WP
0007, Figure 59) from front lights
wiring harness connector (WP
0007, Figure 58).
0045-4
