TM 5-2350-377-13&P
0012
ELECTRICAL SYSTEM - Continued
DECISION
YES - If minimum 24 VDC is present, go to Step (5).
NO - If no voltage is present at socket C, go to Step (3).
STEP
3.
Check control wiring harness circuit 450 for a minimum of 24 VDC at circuit 450.
a.
Disconnect control wiring harness connector (Figure 2, Item 2) behind panel.
b.
Connect negative lead of VOM to socket E (Figure 2, Item 1) of control box power wiring harness
(Figure 2, Item 3) and connect positive lead to connector (Figure 2, Item 2).
1
2
3
T00402HBF
Figure 2.
Control Wire Harness.
c.
Turn on master switch.
d.
Turn master power off.
e.
If no voltage is present at connector, reconnect connector to control box power wiring harness.
CONDITION/INDICATION
Are 24 VDC present at control wiring harness connector?
DECISION
YES - If minimum 24 VDC is present,
replace control box power wiring harness (WP 0027). Verify problem is solved.
NO - If no voltage is present at connector, go to Step (4).
STEP
4.
Check control wiring harness for a minimum of 24 VDC at circuit 450.
Refer to vehicle electrical system wiring diagram (FO-1) and control wiring harness (FO-2 & FO-3)
CONDITION/INDICATION
Is a minimum of 24 VDC for circuit 450 at control wiring harness?
DECISION
NO - Troubleshoot circuit 450.
YES - Go to Step (5).