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TM 9-2320-360-20-1
CAUTION
Use jumper wire only between terminals
indicated. Failure to comply may result in
damage to DDEC components or wiring.
CONTINUITY TEST
(1)
Turn ENGINE switch OFF and disconnect
engine harness connector at ECM.
(2)
Read resistance between sockets R2 and
Y2 on engine harness connector. Also read
resistance between socket B of OTS
connector and a good ground.
Check
terminals
at
ECM
engine
harness
connector(both ECM and harness side) for
damage, bent, corroded, and unseated pins or
sockets.
(1)
Turn ENGINE switch OFF.
(2)
Reconnect all harness connectors.
(3)
Turn ENGINE switch ON and observe
CHECK ENGINE indicator.
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