TM 5-2420-231-23-1
0037
Table 1. Front Work Lights Do Not Function Correctly - Continued.
037
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4. Using a digital multimeter, mea-
Front Work Lights Do Not
Resistance 5.0 Ohms or Less -
sure resistance between main
Replace front console wiring harness
Function Correctly -
chassis wiring harness connector
(WP 0162).
Continued
(WP 0007, Figure 6) terminal 1N
Proceed to Test Step 13.
and machine ground. Resistance
Resistance Greater Than 5.0 Ohms -
should be 5.0 ohms or less.
Proceed to Test Step 8.
Test Step 8. Check for Open Circuit
in Front Lights Wiring Harness.
1. Remove front floor cover plate
(WP 0306).
2. Disconnect front lights wiring har-
ness connector (WP 0007, Figure
64) from main chassis wiring har-
ness connector (WP 0007, Figure
65).
3. Using a digital multimeter, mea-
Resistance 5.0 Ohms or Less -
sure resistance between front
Replace main chassis wiring harness
lights wiring harness connector
(WP 0154).
(WP 0007, Figure 64) terminal A
Proceed to Test Step 13.
and machine ground. Resistance
Resistance Greater Than 5.0 Ohms -
should be 5.0 ohms or less.
Replace front lights wiring harness
(WP 0183).
Proceed to Test Step 13.
Test Step 9. Test Front Work Lights
Fuse Replacement.
1. Connect batteries (WP 0157) and
turn ignition switch to the on posi-
tion (TM 5-2420-231-10).
2. Observe front work lights (TM 5-
Both Front Work Lights Off - Proceed
2420-231-10).
to step 3.
Both Front Work Lights On - Proceed
to Test Step 13.
3. Turn ignition switch to the off posi-
tion (TM 5-2420-231-10) and dis-
connect batteries (WP 0157).
4. Remove front work 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 10.
of front work lights fuse. Resis-
Resistance Greater Than 5.0 Ohms -
tance should be 5.0 ohms or less.
Replace front work lights fuse (TM 5-
2420-231-10).
Proceed to Test Step 10.
Test Step 10. Check for Shorted
Front Console Wiring Harness.
1. Turn front work lamp switch to the
off position (TM 5-2420-231-10).
0037-6
