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TM 9-2320-360-20-1
NOTE
The following flow chart should only be
used if DDEC troubleshooting was
started on p. 2-80 and you were
referred here.
(1)
Turn ENGINE switch OFF.
(2)
Turn ENGINE switch ON
(engine not running).
(3)
Inspect CHECK ENGINE and
CHECK GAUGES indicators.
(1)
Turn ENGINE switch OFF.
(2)
Remove bulbs that did not turn
ON.
(3)
Check whether bulb (s) is burned
out or otherwise damaged.
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)
Disconnect vehicle harness connector at
ECM.
(2)
Turn ENGINE switch ON.
(3)
Read voltage on vehicle harness connector,
keeping the black lead on a good battery
ground and probing both the B1 (CHECK
ENGINE indicator) and 82 (CHECK
GAUGES indicator) sockets with the red
lead.
2-167
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