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
23. Install new signal lights fuse (TM
Rear Taillights and/or
5-2420-231-10).
Blackout Marker Lights Do
Not Function Correctly -
24. Connect batteries (WP 0157) and
Continued
turn ignition switch to the on posi-
tion (TM 5-2420-231-10).
25. Turn ignition switch to the off posi-
tion (TM 5-2420-231-10) and dis-
connect batteries (WP 0157).
26. Remove signal lights fuse (TM 5-
2420-231-10).
27. Using a digital multimeter, mea-
Resistance 5.0 Ohms or Less -
Replace right front blackout marker light
sure resistance between fuse ter-
(WP 0193).
minals. Resistance should be 5.0
Install new signal lights fuse (TM 5-
ohms or less.
2420-231-10).
Proceed to Test Step 21.
Resistance More Than 5.0 Ohms -
Replace left-front blackout marker light
(WP 0193).
Install new signal lights fuse (TM 5-
2420-231-10).
Proceed to Test Step 21.
Test Step 20. Test Marker Light
Wiring Harness for a Short.
1. Using a digital multimeter, test for
Continuity - Replace front console
continuity between front console
wiring harness (WP 0162).
wiring harness connector (WP
Install new signal lights fuse (TM 5-
0007, Figure 71) terminal F and
2420-231-10).
machine ground. There should be
Proceed to Test Step 21.
no continuity.
No Continuity - Proceed to step 2.
2. Using a digital multimeter, test for
Continuity - Replace front console
continuity between front console
wiring harness (WP 0162).
wiring harness connector (WP
Install new signal lights fuse (TM 5-
0007, Figure 71) terminal E and
2420-231-10).
machine ground. There should be
Proceed to Test Step 21.
no continuity.
No Continuity - Proceed to step 3.
3. Remove instrument panel front
cover (WP 0174).
4. Disconnect front console wiring
harness connector (WP 0007, Fig-
ure 5) from front main chassis wir-
ing harness connector (WP 0007,
Figure 6).
5. Remove front floor cover plate
(WP 0306).
0045-15