TM 5-2420-231-23-1
0038
Table 1. Rear Work Lights Do Not Function Correctly - Continued.
038
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Test Step 9. Check for Faulty Right
Rear Work Lights Do Not
Rear Work Lights.
Function Correctly -
Continued
1. Turn ignition switch to the off posi-
tion (TM 5-2420-231-10) and dis-
connect batteries (WP 0157).
2. Disconnect far-right rear work light
(WP 0007, Figure 85) from rear
lights wiring harness connector
(WP 0007, Figure 84).
3. Disconnect center-right rear work
light (WP 0007, Figure 85) from
rear lights wiring harness connec-
tor (WP 0007, Figure 84).
4. Connect batteries (WP 0157) and
turn ignition switch to the on posi-
tion (TM 5-2420-231-10).
5. Using a digital multimeter, mea-
Voltage 10 to 14 Volts - Proceed to
sure voltage between rear lights
step 6.
wiring harness connector (WP
Voltage Less Than 10 Volts - Proceed
0007, Figure 84) terminals 1 and 2.
to Test Step 10.
Voltage should be 10 to 14 volts.
6. Using a digital multimeter, mea-
Voltage 10 to 14 Volts - Replace both
sure voltage between rear lights
right-rear work lamps (WP 0178).
wiring harness connector (WP
Proceed to Test Step 23.
0007, Figure 84) terminals 3 and 4.
Voltage Less Than 10 Volts - Proceed
Voltage should be 10 to 14 volts.
to Test Step 10.
Test Step 10. Check for Open Circuit
in Main Chassis Wiring Harness.
1. Turn ignition switch to the off posi-
tion (TM 5-2420-231-10) and dis-
connect batteries (WP 0157).
2. Install a jumper wire between rear
lights wiring harness connector
(WP 0007, Figure 84) terminals 1
and 2.
3. Remove front instrument panel
right-side cover (WP 0176).
4. Disconnect rear main chassis wir-
ing harness connector (WP 0007,
Figure 25) from side console wir-
ing harness connector (WP 0007,
Figure 24).
0038-7