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Table 1. One or Both Blackout Tail Lights Do Not Operate Continued.
Table 1. One or Both Blackout Tail Lights Do Not Operate Continued.

Field Maintenance Manual For Military 621G Scraper -2 Page Navigation
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TM 5-3805-296-23-2
0136
Table 1. One or Both Blackout Tail Lights Do Not Operate Continued.
0136
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Test Step 10. Test for Shorted Hitch
One or Both Blackout Tail
Wiring Harness.
Lights Do Not Operate
1. Remove jumper wire from
Continued
connector AE-C4 terminal 6 and
terminal 11 (WP 0012, Figure 174).
2. Lower left frame access plate
(WP 0376).
3. Remove four bolts
(Figure 5, Item 1), washers
(Figure 5, Item 2), bushings
(Figure 5, Item 3), and splash
shield (Figure 5, Item 4) from
machine.
Figure 5. Splash Shield and Retaining Hardware.
0136
4. Disconnect connector E-C3
(WP 0012, Figure 142) from
connector J-C6
(WP 0012, Figure 141).
5. Using digital multimeter
Continuity Replace hitch wiring
(WP 0540), test for continuity
harness (WP 0401).
between connector E-C2
Proceed to Test Step 20.
terminal 35 (WP 0012, Figure 143)
No Continuity Proceed to step 6.
and all other terminals in
connector E-C2
(WP 0012, Figure 143).
6. Using digital multimeter
Continuity Replace hitch wiring
(WP 0540), test for continuity
harness (WP 0401).
between connector E-C2
Proceed to Test Step 20.
terminal 35 (WP 0012, Figure 143)
No Continuity Proceed to step 7.
and ground.
0136-10


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