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Table 1. One or More Park Lights Do Not Operate Continued.
Table 1. One or More Park 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
0138
Table 1. One or More Park Lights Do Not Operate Continued.
0138
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
One or More Park Lights Do
3. Disconnect connector L-C2
Not Operate Continued
(WP 0012, Figure 192) from
connector J-C1 (WP 0012,
Figure 191).
4. Using digital multimeter
Resistance 5.0 Ohms or Less
(WP 0540), measure resistance
Proceed to step 5.
between connector L-C2
Resistance Greater Than 5.0 Ohms
terminal 6 (WP 0012, Figure 192)
Replace hood wiring harness
and connector L-C5 terminal C
(WP 0389).
(WP 0012, Figure 211).
Proceed to Test Step 26.
5. Using digital multimeter
Resistance 5.0 Ohms or Less
(WP 0540), measure resistance
Proceed to Test Step 10.
between connector L-C2
Resistance Greater Than 5.0 Ohms
terminal 7 (WP 0012, Figure 192)
Replace hood wiring harness
and connector L-C5 terminal B
(WP 0389).
(WP 0012, Figure 211).
Proceed to Test Step 26.
Test Step 10. Test Chassis Wiring
Harness for High Resistance or
Open.
1. Disconnect connector J-C8
(WP 0012, Figure 100) from
connector W-C1
(WP 0012, Figure 99).
2. Using digital multimeter
Resistance 5.0 Ohms or Less
(WP 0540), measure resistance
Proceed to step 3.
between connector J-C8
Resistance Greater Than 5.0 Ohms
terminal 50 (WP 0012, Figure 100)
Replace chassis wiring harness
and connector J-C1 terminal 6
(WP 0305).
(WP 0012, Figure 191).
Proceed to Test Step 26.
3. Using digital multimeter
Resistance 5.0 Ohms or Less
(WP 0540), measure resistance
Replace main cab wiring harness
between connector J-C1 terminal 7
(WP 0505).
(WP 0012, Figure 191) and
Proceed to Test Step 26.
ground.
Resistance Greater Than 5.0 Ohms
Replace chassis wiring harness
(WP 0305).
Proceed to Test Step 26.
Test Step 11. Test Voltage to Left
Front Signal Lamp.
1. Turn mode switch on military light
switch to OFF position
(TM 5-3805-296-10).
2. Turn battery disconnect switch to
OFF position (TM 5-3805-296-10).
3. Disconnect connector L-C4
(WP 0012, Figure 199) from left
front signal lamp
(WP 0012, Figure 198).
0138-6


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