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TM 9-2320-360-20-1
NOTE
The following flow chart should only be
used it DDEC troubleshooting was
started on p. 2-80 and you were referred
here.
(1)
Turn ENGINE switch OFF.
(2)
Disconnect vehicle harness
connector at ECM.
(3)
Install a jumper wire between
socket B2 on the vehicle harness
connector and a good ground.
(4)
Turn ENGINE switch ON (engine
not running) and note STOP
ENGINE light status.
WARNING
Jewelry can catch on equipment and
cause injury or short across electrical
circuit and cause severe burns or
electrical
shock.
Remove
rings,
bracelets, watches, necklaces, and any
other jewelry before working around
HET Tractor.
VOLTAGE TEST
(1)
Remove jumper wire.
(2)
Read voltage on vehicle.
harness connector, socket B3
(red lead) to a good ground.
Remove CHECK GAUGES light bulb
(para 7-38) and check if burned out or
damaged.
2-335
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