TM
5-5420-226-20-1
Symptom-42
DETAILED
TROUBLESHOOTING
PROCEDURE
P
-,
INDICATOR
- LAMP
.
T
0.(
..
.
,-
(Continued)
,.
=
,-
-.
..
---
.
Check
bulkhead engine
disconnect
harness
(CKT
509L) at bulkhead
disconnect
for short to ground.
1
First
TechnicIan
(Commanders
Station)
l Connect
front
accessory
harness
connector
to basket
disconnect,
l Disconnect
bulkhead
engine
disconnect
harness
connector
at bulkhead
disconnect
(page
10-269).
l Connect red probe of meter to contact N (CKT 509L) of
bulkhead
engine
disconnect
harness
connector
and
black
probe
to ground.
l Check if meter indicates
continuity.
Does meter indicate
continuity,
thereby
indicating
a
short?
m
/
TO VEHICi_E
BULKHEAD
GROUND
ENGINE
DISCONNECT
HARNESS
(CKT 509L)
YL
(
1
BULKHEAD
DISCONNECTS
I
1
CKT
l
l
l
l
l
l
l
Inspect
front accessory
harness
for bent/broken
connector
contacts
or loose
CKT 509L wire at rear of
connectors.
Repair connectors
if defective
(page
10-298).
If connectors
are not
defective,
notify support
maintenance
of a defective
front accessory
harness.
Connect
bulkhead
engine
disconnect
harness connector
at bulkhead
disconnect.
Connect
engine electrical
harness connector
(CKT 509L)
to engine low oil pressure
switch.
Install engine
access
cover
(page
17-18).
Install transmission
shroud
(page 9-6).
I
I
IBASKET
DISCONNECT
1===1
(c
I
1
I
CONTACT
[
I
TA107195
4-506