KNOWN INFO
TEST OPTIONS
REASON FOR QUESTION
If continuity is not present,
200 AMP terminal block is
faulty.
Is continuity present from
200 AMP terminal block
12V LOAD left terminal stud
to right terminal stud?
Continuity Test or
STE/ICE-R Test #91
NO
YES
15.
Circuit breaker CB70 OK.
Battery(ies) OK.
Cab to chassis ground strap
OK.
PDP to cab ground cable OK.
Shunt OK.
Starter to shunt 24 VDC cable
OK.
Battery to shunt cable
assembly OK.
Starter to chassis ground
cable OK.
Faulty 200 AMP reverse
polarity relay.
Faulty 200 AMP terminal
block.
Faulty 200 AMP terminal block
to PDP 12 VDC cable.
Faulty 200 AMP terminal block
to reverse polarity relay 12
VDC load cable.
Faulty 200 AMP terminal block
to reverse polarity relay 12
VDC battery cable.
Faulty battery to 200 AMP
terminal block 12 VDC cable
assembly.
POSSIBLE PROBLEMS
Replace 200 AMP terminal
block (para 20-69).
TM 9-2320-365-20-1
2-256.26 Change 1
e3. 12 VDC AND 24 VDC CIRCUITS DO NOT OPERATE (CONT)