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
5. Using a digital multimeter, mea-
Voltage 10 to 14 Volts - Replace left
Rear Taillights and/or
sure voltage between rear lights
and right taillight assembly (WP 0192).
Blackout Marker Lights Do
wiring harness connector (WP
Proceed to Test Step 11.
Not Function Correctly -
0007, Figure 92) terminals 3 and 7
Voltage Less Than 10 Volts - Proceed
Continued
(ground). Voltage should be 10 to
to Test Step 7.
14 volts.
Test Step 7. Test for Open Circuit in
Rear Lights Wiring Harness.
1. Turn ignition switch to the off posi-
tion (TM 5-2420-231-10) and dis-
connect batteries (WP 0157).
2. Remove rear floor cover plate
(WP 0306).
3. Disconnect main chassis wiring
harness connector (WP 0007, Fig-
ure 87) from rear lights wiring har-
ness connector (WP 0007, Figure
86).
4. Connect batteries (WP 0157) and
turn ignition switch to the on posi-
tion (TM 5-2420-231-10).
5. Using a digital multimeter, mea-
Voltage 10 to 14 Volts - Replace rear
sure voltage between main chas-
lights wiring harness (WP 0184).
sis wiring harness connector (WP
Proceed to Test Step 21.
0007, Figure 87) terminal B and
Voltage Less Than 10 Volts - Replace
machine ground. Voltage should
main chassis wiring harness (WP
be 10 to 14 volts.
0154).
Proceed to Test Step 21.
Test Step 8. Check for Faulty Front
Marker Lights.
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).
3. Place light control switch in the
B.O. MARKER 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).
0045-6