12 VDC AND 24 VDC CIRCUITS DO NOT OPERATE (CONT)

TM 9-2320-366-20-1

e3. 12 VDC AND 24 VDC CIRCUITS DO NOT OPERATE (CONT)

KNOWN INFO

TEST OPTIONS

Continuity Test or

Circuit breaker CB70 OK.

STE/ICE-R Test #91

Battery(ies) OK.

Is continuity present from

Cab to chassis ground strap

REASON FOR QUESTION

one end of shunt to other

OK.

If continuity is not present,

end of shunt?

PDP to cab ground cable OK.

shunt is faulty.

POSSIBLE PROBLEMS

Faulty shunt.

Faulty starter to shunt 24 VDC

cable.

Faulty battery to shunt cable

assembly.

Faulty starter to chassis

ground cable.

YES

Replace shunt (para 7-29).

2-266.12

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