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TM 9-2320-364-34-2
6-422
6-39. GENERAL WELDING MAINTENANCE (CONT).
Use caution while installing
connectors from ECM. The
ECM has plastic retainers that
may break if connectors are not
properly installed.
NOTE
Perform Steps (25) through
(28) for DDEC III trucks
only.
Perform Steps (29) and (30)
for DDEC II trucks only.
Ensure locking tangs are
locked in place when
installing wiring harness
connectors.
ECM wiring harnesses are
designed to be installed in
only one location.
(25)
Connect chassis wire harness connector
(50) to left side of ECM (46) and tighten
screw (49).
(26)
Connect power wire harness connector (48)
to left side of ECM (46).
(27)
Connect two injector wiring harness
connectors (47) to right side of ECM (46).
(28)
Connect engine wiring harness connector
(45) to right side of ECM (46) and tighten
screw (44).
46
47
45
44
50
49
46
48
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