TM-9-2320-366-20-1

M1083 SERIES, 5 TON, 6x6, MEDIUM TACTICAL VEHICLES (MTV)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; UNIT MAINTENANCE; VOLUME NO. 1 OF 5

FEBRUARY 2006

CHANGE 3

TM-9-2320-366-20-1 - Page 454 of 1824

KNOWN INFO

TEST OPTIONS

REASON FOR QUESTION

Is continuity present from

terminal lug TL44 to

terminal X1 on PDP?

12.

e4. 24 VDC CIRCUITS DO NOT OPERATE (CONT)

Continuity Test or

STE/ICE-R Test #91

YES

NO

If continuity is not present,

100 AMP reverse polarity relay

to PDP 24 VDC cable is faulty.

If continuity is present, 100

AMP reverse polarity relay is

faulty.

Service drive lights OK.

Circuit breaker CB70 OK.

Batteries OK.

Battery to 100 AMP reverse

polarity relay 24 VDC cable

OK.

POSSIBLE PROBLEMS

Faulty 100 AMP reverse

polarity relay.

Faulty 100 AMP reverse

polarity relay to power

distribution panel (PDP) 24

VDC cable.

CAUTION

Read CAUTION

on following page.

Replace 100 AMP reverse polarity

relay to PDP 24 VDC cable (para 7-131).

Replace 100 AMP reverse

polarity relay (para 7-30).

TM 9-2320-366-20-1

2-284.6

Change 1