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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
Test Step 5. Test Hood Wiring
Not Operate Continued
Harness for High Resistance or
Open.
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-C2
(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 6.
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 6. 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
Proceed to Test Step 7.
between connector J-C1 terminal 7
Resistance Greater Than 5.0 Ohms
(WP 0012, Figure 191) and
Replace chassis wiring harness
ground.
(WP 0305).
Proceed to Test Step 26.
0138-4


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