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Table 1. Engine Will Not Crank Continued.
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
2. Using digital multimeter
Resistance 5.0 Ohms or Less
Continued
(WP 0540), measure resistance
Replace transmission/chassis ECM
between connector W-C7
(WP 0495).
terminal 41 (WP 0012, Figure 252)
Proceed to Test Step 27.
and connector W-C13 terminal 39
Resistance Greater Than 5.0 Ohms
(WP 0012, Figure 89).
Replace main cab wiring harness
(WP 0505).
Proceed to Test Step 27.
Test Step 19. Inspect Starters,
Cables, and Wire Harnesses
1. Remove exhaust pipe and muffler
(WP 0205).
2. Lower crankcase guard
(WP 0374).
3. Inspect starter negative cable
Cable OK Proceed to step 4.
(Figure 11, Item 2) and retaining
Cable Damaged - Replace cable
hardware (Figure 11, Item 1) for
(WP 0311).
damage, and loose and corroded
Proceed to Test Step 27.
connection (WP 0540).
Cable Connection Corroded Clean
(WP 0540) and connect cable
(WP 0311).
Proceed to Test Step 27.
Cable Connection Loose Tighten
cable connection.
Proceed to Test Step 27.
Figure 11. Right Starter Negative Cable.
0104
0104-19


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