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 TM 9-2320-364-20-1
Allow engine to cool before performing trouble-
shooting maintenance. If necessary use
insulated pads and gloves. Hot engine
components will burn and cause injury to
personnel.
Remove all jewelry such as rings, dog tags,
bracelets, etc. If jewelry or tools contact
positive electrical circuits, a direct short
may result. Damage to equipment, injury or
death to personnel may occur.
RESISTANCE TEST
(1) Remove DDEC ECM (Para 7-56).
(2) Disconnect TRS harness connector.
(3) Read resistance between wires 109
and 110 at engine harness connector,
terminals T1 and T2.
(a) If there are less than 10,000 ohms
present, repair wires 109 and/or
110 (see schematic Fig 2-2) or
notify DS Maintenance.
(b) If there are more than 10,000
ohms present, go to Step (4)
below.
(4) Read resistance between wires 109
and 110 between engine harness
connector, terminals T1 and T2 and a
known good ground.
(a) If there are less than 10,000 ohms
present, repair wires 109 and/or
110 (see schematic Fig 2-2) or
notify DS Maintenance.
(b) If there are more than 10,000
ohms present, go to Step 5 of this
Fault.
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