KNOWN INFO
TEST OPTIONS
REASON FOR QUESTION
If continuity is not present,
battery to 200 AMP terminal
block 24 VDC cable assembly
is faulty.
Is continuity present from
terminal lug TL39 to
terminal lug TL37?
WARNING
Read WARNING
on following page.
e4. 24 VDC CIRCUITS DO NOT OPERATE (CONT)
NO
YES
Continuity Test or
STE/ICE-R Test #91
Replace battery to 200 AMP terminal
block 24 VDC cable assembly
(para 20-64).
18.
Service drive lights OK.
Circuit breaker CB70 OK.
Batteries OK.
200 AMP terminal block OK.
POSSIBLE PROBLEMS
TM 9-2320-365-20-1
2-274.18 Change 1
Faulty 200 AMP reverse
polarity relay OK.
Faulty battery to 200 AMP
terminal block 24 VDC cable
assembly.
Faulty 200 AMP terminal block
to reverse polarity relay 24
VDC battery cable.
Faulty 200 AMP terminal block
to reverse polarity relay 24
VDC load cable.
Faulty 200 AMP terminal block
to power distribution panel
(PDP) 24 VDC cable.