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. Using a digital multimeter, mea-
Rear Taillights and/or
Resistance 5.0 Ohms or Less -
sure resistance between rear lights
Replace main chassis wiring harness
Blackout Marker Lights Do
wiring harness connector (WP
(WP 0154).
Not Function Correctly -
0007, Figure 86) terminal H and
Proceed to Test Step 21.
Continued
machine ground. Resistance
Resistance Greater Than 5.0 Ohms -
should be 5.0 ohms or less.
Replace rear lights wiring harness
(WP 0184).
Proceed to Test Step 21.
Test Step 19. Test Marker Lights for
a Short.
1. Disconnect left rear blackout
marker light (WP 0007, Figure 93)
terminal 6 from rear lights wiring
harness connector (WP 0007, Fig-
ure 92) terminal 6.
2. Disconnect right rear blackout
marker light (WP 0007, Figure 95)
terminal 6 from rear lights wiring
harness connector (WP 0007, Fig-
ure 94) terminal 6.
3. Disconnect left front marker light
(WP 0007, Figure 59) terminal 4
from front lights wiring harness
connector (WP 0007, Figure 58)
terminal 4.
4. Disconnect right front marker light
(WP 0007, Figure 61) terminal 4
from front lights wiring harness
connector (WP 0007, Figure 60)
terminal 4.
5. Install new signal lights fuse (TM
5-2420-231-10).
6. Connect batteries (WP 0157) and
turn ignition switch to the on posi-
tion (TM 5-2420-231-10).
7. Place light control switch in the
B.O. MARKER position (TM 5-
2420-231-10).
8. Turn ignition switch to the off posi-
tion (TM 5-2420-231-10) and dis-
connect batteries (WP 0157).
9. Remove signal lights fuse (TM 5-
2420-231-10).
10. Using a digital multimeter, mea-
Resistance 5.0 Ohms Or Less -
Proceed to step 11.
sure resistance between fuse ter-
minals. Resistance should be 5.0
Resistance More Than 5.0 Ohms -
Proceed to Test Step 20.
ohms or less.
0045-13
