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
8. Using a digital multimeter, mea-
Rear Taillights and/or
Resistance Less Than 5.0 Ohms -
sure resistance between front con-
Replace main chassis wiring harness
Blackout Marker Lights Do
sole wiring harness connector (WP
(WP 0154).
Not Function Correctly -
0007, Figure 5) terminal 6A, and
Proceed to Test Step 21.
Continued
front console wiring harness con-
Resistance Greater Than 5.0 Ohms -
nector (WP 0007, Figure 71) termi-
Replace front console wiring harness
nal E. Resistance should be 5.0
(WP 0162).
ohms or less.
Proceed to Test Step 21.
Test Step 12. Check for Faulty Left
Taillight.
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) terminal 6 from rear
lights wiring harness connector
(WP 0007, Figure 92) terminal 6.
3. Connect batteries (WP 0157) and
turn ignition switch to the on posi-
tion (TM 5-2420-231-10).
4. Have an assistant depress and
hold down brake pedal (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) terminal 6 and
Voltage Less Than 10 Volts - Replace
machine ground. Voltage should
rear lights wiring harness (WP 0184).
be 10 to 14 volts.
Proceed to Test Step 21.
Test Step 13. Check for Faulty Right
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) from rear lights
wiring harness connector (WP
0007, Figure 94).
3. Connect batteries (WP 0157) and
turn ignition switch to the on posi-
tion (TM 5-2420-231-10).
4. Have an assistant depress and
hold down brake pedal (TM 5-
2420-231-10).
0045-10