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
3. Connect batteries (WP 0157) and
Rear Taillights and/or
turn ignition switch to the on posi-
Blackout Marker Lights Do
tion (TM 5-2420-231-10).
Not Function Correctly -
Continued
4. Using a digital multimeter, mea-
Voltage 10 to 14 Volts - Replace left
sure voltage between front lights
marker light assembly (WP 0179).
wiring harness connector (WP
Proceed to Test Step 21.
0007, Figure 58) terminals 4 and 1
Voltage Less Than 10 Volts - Replace
(ground). Voltage should be 10 to
front lights wiring harness (WP 0183).
14 volts.
Proceed to Test Step 21.
Test Step 5. Check for Faulty Right
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 right marker light
(WP 0007, Figure 61) from front
lights wiring harness connector
(WP 0007, Figure 60).
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 right
sure voltage between front lights
marker light assembly (WP 0179).
wiring harness connector (WP
Proceed to Test Step 21.
0007, Figure 60) terminals 4 and 1
Voltage Less Than 10 Volts - Replace
(ground). Voltage should be 10 to
front lights wiring harness (WP 0183).
14 volts.
Proceed to Test Step 21.
Test Step 6. Check for Faulty
Taillights.
1. Turn ignition switch to the off posi-
tion (TM 5-2420-231-10) and dis-
connect batteries (WP 0157).
2. Disconnect left taillight (WP 0007,
Figure 93) from rear lights wiring
harness connector (WP 0007, Fig-
ure 92).
3. Place light control switch in the
SER. DRIVE position and drive
lights switch in the on position (TM
5-2420-231-10).
4. Connect batteries (WP 0157) and
turn ignition switch to the on posi-
tion (TM 5-2420-231-10).
0045-5
