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Figure 17. Testing Voltage to Right Starter.
Table 1. Engine Will Not Crank Continued.

Field Maintenance Manual For Military 621G Scraper -2 Page Navigation
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TM 5-3805-296-23-2
0104
Table 1. Engine Will Not Crank Continued.
0104
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Engine WIll Not Crank
Test Step 23. Test Engine Interface
Continued
Wiring Harness for High Resistance
or Open.
1. Turn battery disconnect switch to
OFF position (TM 5-3805-296-10).
2. Lower crankcase guard
(WP 0374).
3. Remove exhaust pipe and muffler
(WP 0205).
4. Disconnect connector CL-C15
(WP 0012, Figure 323) from left
starter connector.
5. Disconnect connector CL-C16
(WP 0012, Figure 324) from right
starter connector.
6. Using digital multimeter (WP 0540)
Resistance 5.0 Ohms or Less
and assistant, measure resistance
Proceed to Test Step 24.
as follows:
Resistance Greater Than 5.0 Ohms
a. Between connector CL-C15
Replace engine interface wiring
terminal 2
harness (WP 0211).
(WP 0012, Figure 323) and
Proceed to Test Step 27.
connector CL-C16 terminal 2
(WP 0012, Figure 324).
b. Between connector CL-C15
terminal 5
(WP 0012, Figure 323) and
connector CL-C16 terminal 3
(WP 0012, Figure 324).
c.
Between connector CL-C15
terminal 5
(WP 0012, Figure 323) and
connector CL-C16 terminal 5
(WP 0012, Figure 324).
d. Between connector CL-C15
terminal 3 and terminal 4
(WP 0012, Figure 323).
e. Between connector CL-C15
terminal 6
(WP 0012, Figure 323) and
ground.
f.
Between connector CL-C16
terminal 6
(WP 0012, Figure 324) and
ground.
0104-28


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