SECTlON V: TROUBLESHOOTING
TM 9-2350-256-20
WARNING
Remove all jewelry such as rings, dog tags ,
bracelets, etc. If jewelry contacts a metal
surface a direct short may result in instant
heating of tools, damage to equipment, and
injury or death to personnel.
L Reconnect driver's vehicle exhaust smoke bracket to
bulkhead connection wiring harness to driver's
switch plate disconnect. Open air inlet doors (TM
9-2350-256-10). Disconnect bulkhead to engine
bracket and rear fuel tank transmitter wiring
harness from bulkhead disconnect. Place red lead
of multimeter in socket C of wire T and black lead to
ground. Turn MASTER and driver's VEHICLE
EXHAUST SMOKE switches ON and check for
voltage. Turn MASTER and driver's VEHICLE
EXHAUST SMOKE switches OFF. If voltage is
present, go to step M. If voltage is not present,
repair/replace wire T of driver's vehicle exhaust
smoke bracket to bulkhead connection wiring
harness (see paragraph 6-93).
M Reconnect bulkhead to engine bracket and rear fuel
tank transmitter wiring harness to bulkhead.
Remove engine deck (see paragraph 9-51).
Disconnect smoke generating system lead assembly
from engine connector. Place red lead of multimeter
on wire T and black lead to ground. Turn MASTER
and driver's VEHICLE EXHAUST SMOKE
switches ON and check for voltage. Turn MASTER
and VEHICLE EXHAUST SMOKE switches OFF.
If voltage is present, got to step N. If voltage is not
present, repair/replace wire T of exhaust smoke
generating system lead assembly (see paragraphs
6-97).
N Reconnect smoke generating system lead assembly
to engine connector. Disconnect fuel solenoid wiring
harness from two fuel solenoids. Place red lead of
multimeter in wire T of first fuel solenoid and black
lead to ground. Turn MASTER and driver's
VEHICLE EXHAUST SMOKE switches ON and
check for voltage. Place red lead of multimeter in
wire T of second fuel solenoid and check for voltage.
If voltage is present, replace fuel solenoid (see
paragraph 16-1. If voltage is not present,
repair/replace wire T of fuel solenoid wiring
harness (see paragraph 6-95).
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