TM 9--2350--292--20--1
AUXILIARY POWER UNIT FAILS TO CRANK -- CONTINUED
0009 00
1. Reconnect lead 3W706 lead 66 to starter relay
and generator terminal B.
2. Disconnect lead S from generator terminal A.
3. Turn MASTER switch ON and hold PREHEAT
and START switches in ON position
(TM 9--2350--292--10).
4. Place multimeter red lead on lead S lead
connector and black lead to ground. Check for
voltage.
5. Turn MASTER switch OFF
(TM 9--2350--292--10).
CONTINUED FROM STEP AD
Is 24 V dc present?
AE
no
yes
Repair (WP 0290 00) or replace
(WP 0648 00) lead S lead from
preheat relay to generator terminal
A. Verify fault is corrected.
Is continuity present?
1. Reconnect lead S to terminal A.
2. Disconnect ground wire from generator
terminal E.
3. Place one multimeter lead on end of ground
wire and other lead to vehicle ground. Check
for continuity.
AF
no
yes
Replace generator (WP
0633 00). Verify fault is
corrected.
Repair (WP 0290 00) or
replace (WP 0652 00)
ground wire. Verify fault
is corrected.
END OF TASK
0009 00--13/14 blank
