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

10.

Circuit breaker CB70 OK.

Continuity Test or

Battery(ies) OK.

STE/ICE-R Test #91

Is continuity present from

Cab to chassis ground strap

REASON FOR QUESTION

terminal lug TL52 to

OK.

If continuity is not present,

terminal lug TL48?

PDP to cab ground cable OK.

battery to shunt cable

Shunt OK.

assembly is faulty. If

Starter to shunt 24 VDC

continuity is present starter

cable OK.

to chassis ground cable is

POSSIBLE PROBLEMS

faulty.

Faulty battery to shunt cable

assembly.

Faulty starter to chassis

ground cable.

Replace battery to shunt

YES

cable assembly (para 7-76).

Replace starter to chassis

ground cable (para 7-133).

2-266.16

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