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TM 9-2320-360-20-1
CAB WIRE HARNESS
VOLTAGE TEST
(1)
Remove 13 screws and panel from
dash.
(2)
Remove rear cab harness MC90 con-
nector from cab wire harness.
(3)
Turn ENGINE switch to ON position.
(4)
Place positive (+) probe of multimeter
on position A of MC90 connector.
(5)
Place negative (-) probe of multimeter
on known good ground and look for
22-28 volts.
(6)
Turn ENGINE switch to OFF position
ECB WIRE HARNESS
VOLTAGE TEST
(1)
Remove 19 screws and three panels
from electronic control box (ECB).
(2)
Remove cab harness MC89 connec-
tor from ECB wire harness.
(3)
Turn ENGINE switch to ON position.
(4)
Place positive (+) probe of multimeter
on position C of MC89 connector.
(5)
Place negative (-) probe of multimeter
on known good ground and look
for 22-28 volts.
(6)
Turn ENGINE switch to OFF position.
Change 1 2-628.9/(2-629.10 blank)
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