TM 5-2420-231-23-1
0037
Table 1. Front Work Lights Do Not Function Correctly - Continued.
037
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. Disconnect left front work light
Front Work Lights Do Not
(WP 0007, Figure 55) from front
Function Correctly -
lights wiring harness connector
Continued
(WP 0007, Figure 54).
3. Disconnect right front work light
(WP 0007, Figure 57) from front
lights wiring harness connector
(WP 0007, Figure 56).
4. Using a digital multimeter, test for
Continuity - Proceed to Test Step 11.
continuity between front console
No Continuity - Proceed to Test Step
fuse block connector (WP 0007,
13.
Figure 70) terminal 9D and
machine ground. There should be
no continuity.
Test Step 11. Check for Shorted Main
Chassis Wiring Harness.
1. Remove instrument panel front
cover (WP 0174).
2. Disconnect front console wiring
harness connector (WP 0007, Fig-
ure 5) from main chassis wiring
harness connector (WP 0007, Fig-
ure 6).
3. Using a digital multimeter, test for
Continuity - Proceed to Test Step 12.
continuity between main chassis
No Continuity - Replace front console
wiring harness connector (WP
wiring harness (WP 0162).
0007, Figure 6) terminal 1N and
Proceed to Test Step 13.
machine ground. There should be
no continuity.
Test Step 12. Check for Shorted
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, test for
Continuity - Replace front lights wiring
continuity between front lights wir-
harness (WP 0183).
ing harness connector (WP 0007,
Proceed to Test Step 13.
Figure 64) terminal A and machine
No Continuity - Replace main chassis
ground. There should be no conti-
wiring harness (WP 0154).
nuity.
Proceed to Test Step 13.
0037-7