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TM 9-2320-360-20-1
CONTINUITY TEST
(1) Turn ENGINE switch OFF.
(2) Disconnect vehicle harness connector at
ECM.
(3) Read resistance between sockets A and C on
vernier control harness connector.
CAUTION
Use jumper wire only between terminals
indicated Failure to comply may result in
damage to DDEC components or wiring
CONTINUITY TEST
(1) Install a jumper wire between sockets A and C
of Vernier Control harness connector.
(2) Read resistance between sockets A3 and C3 on
vehicle harness connector.
WARNING
·
Batteries must be disconnected before
tightening any connections. Failure to
comply
may
result
in
injury
to
personnel.
·
Remove all jewelry such as rings, dog
tags, bracelets, etc. If jewelry contacts
electrical terminals a direct short may
result in an instant heating of tools,
damage to equipment, and injury to
personnel.
CONTINUITY TEST
(1) Turn ENGINE switch OFF and trip both DDEC
circuit breakers to ECM.
(2) Disconnect 6-way power connector at ECM.
(3) Read resistance between sockets D1 and B3 on
vehicle harness connector.
(4) Read resistance between socket D1 on vehicle
harness connector and sockets C, D, E, and F on
6-way power harness connector.
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