TM 5-3895-385-23-1
0163
Table 1. Worklight Fails to Operate Troubleshooting Procedures -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. If no continuity is present,
replace fuse on light horn wiring
harness (WP 0394, Vol 2).
6. Fuse blown.
1. Access fuse box (WP 0277, Vol
2).
2. Measure continuity (WP 0443,
1. If continuity is present, proceed
Vol 3) across lights fuse (WP
to next malfunction.
0447, Vol 3, Figure 1).
2. If no continuity is present,
replace lights fuse (WP 0277,
Vol 2).
7. Relay malfunction.
1. Access lights relay (WP 0277,
Vol 2).
2. Turn keyless engine switch to
the AUX position (TM 5-3895-
385-10), but do not start engine.
3. Turn on lights using keypad (TM
5-3895-385-10).
4. Measure voltage (WP 0443, Vol
1. If voltage reads a minimum of 22
3) from known good ground to
VDC, replace main wiring
relay connection point 87 (WP
harness (WP 0373, Vol 2).
0447, Vol 3, Figure 4) on lights
relay (WP 0447, Vol 3, Figure 3).
2. If voltage reads below 22 VDC,
proceed to next test.
5. Measure voltage (WP 0443, Vol
1. If voltage reads a minimum of 22
3) from known good ground to
VDC, turn keyless engine switch
relay connection point 30 (WP
to the OFF position (TM 5-3895-
0447, Vol 3, Figure 4) on lights
385-10), and replace lights
relay (WP 0447, Vol 3, Figure 3).
relay.
2. If voltage reads below 22 VDC,
turn keyless engine switch to
the OFF position (TM 5-3895-
385-10), and replace screed
controller module ECM (WP
0399, Vol 2).
END OF WORK PACKAGE
0163-6