TM 5-2420-231-23-1
0035
Table 1. All Lights and Alarm Signal Do Not Function - Continued.
035
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
All Lights and Alarm Signal 6. Using a digital multimeter, mea-
Resistance 5.0 Ohms or Less -
sure resistance between light con-
Replace front console wiring harness
Do Not Function - Continued
trol switch (WP 0007, Figure 72)
(WP 0162).
terminals F and H. Resistance
Proceed to Test Step 11.
should be 5.0 ohms or less.
Resistance Greater Than 5.0 Ohms -
Replace light control switch (WP 0175).
Proceed to Test Step 11.
Test Step 4. Test Signal Lights Fuse
Replacement.
1. Connect batteries (WP 0157) and
turn ignition switch to the on posi-
tion (TM 5-2420-231-10).
2. Observe driving lamps (two out-
Both Driving Lights Off and Alarm Off
side lights) and listen for alarm
- Proceed to step 3.
(TM 5-2420-231-10).
Both Driving Lights On and Alarm On
- Troubleshooting complete.
3. Turn ignition switch to the off posi-
tion (TM 5-2420-231-10) and dis-
connect batteries (WP 0157).
4. Remove signal lights fuse (TM 5-
2420-231-10).
5. Using a digital multimeter, mea-
Resistance 5.0 Ohms or Less -
sure resistance between terminals
Proceed to Test Step 5.
of signal lights fuse. Resistance
Resistance Greater Than 5.0 Ohms -
should be 5.0 ohms or less.
Replace signal lights fuse (TM 5-2420-
231-10).
Proceed to Test Step 5.
Test Step 5. Check for Shorted Front
Console Wiring Harness.
1. Disconnect front console wiring
harness connector (WP 0007, Fig-
ure 71) from light control switch
(WP 0007, Figure 72).
2. Using a digital multimeter, test for
Continuity - Replace front console
continuity between front console
wiring harness (WP 0162).
wiring harness connector (WP
Proceed to Test Step 11.
0007, Figure 71) terminal F and
No Continuity - Proceed to Test Step 6.
machine ground. There should be
no continuity.
Test Step 6. Check for Shorted
Output of Light Control Switch.
1. Using a digital multimeter, test for
Continuity - Replace front console
continuity between front console
wiring harness (WP 0162).
wiring harness connector (WP
Proceed to Test Step 11.
0007, Figure 71) terminal A and
No Continuity - Proceed to step 2.
machine ground. There should be
no continuity.
0035-5
