KNOWN INFO
TEST OPTIONS
12.
REASON FOR QUESTION
NO
Continuity Test or
STE/ICE-R Test #91
Is continuity present from
terminal lug TL80 to
terminal X2 on PDP?
CAUTION
Read CAUTION
on following page.
YES
If continuity is not present,
100 AMP reverse polarity relay
to PDP 12VDC cable is faulty.
Replace 100 AMP reverse polarity
relay to PDP 12 VDC cable
(para 7-80).
TM 9-2320-365-20-1
2-256.20 Change 1
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.
POSSIBLE PROBLEMS
Faulty 100 AMP reverse
polarity relay.
Faulty battery to 100 AMP
reverse polarity relay 12 VDC
cable.
Faulty 100 AMP reverse
polarity relay to PDP 12 VDC
cable.
e3. 12 VDC AND 24 VDC CIRCUITS DO NOT OPERATE (CONT)