e3. 12 VDC AND 24 VDC CIRCUITS DO NOT OPERATE (CONT)
TEST OPTIONS
KNOWN INFO
Is continuity present from
terminal lug TL52 to
terminal lug TL48?
Replace starter to chassis
ground cable (para 7-133).
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.
POSSIBLE PROBLEMS
Faulty battery to shunt cable
assembly.
Faulty starter to chassis
ground cable.
10.
REASON FOR QUESTION
If continuity is not present,
battery to shunt cable
assembly is faulty.
If
continuity is present starter
to chassis ground cable is
faulty.
NO
YES
Continuity Test or
STE/ICE-R Test #91
Replace battery to shunt
cable assembly (para 7-76).
TM 9-2320-366-20-1
2-266.16
Change 1