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

  TM-9-2320-366-20-1 - Page 402 of 1824

e3. 12 VDC AND 24 VDC CIRCUITS DO NOT OPERATE (CONT)
KNOWN INFO
YES
TEST OPTIONS
WARNING
Read WARNING
on following page.
REASON FOR QUESTION
5.
Faulty dashboard cable
assembly.
POSSIBLE PROBLEMS
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.
100 AMP reverse polarity
relay OK.
Battery to 100 AMP reverse
polarity relay 12 VDC cable
OK.
100 AMP reverse polarity relay
to PDP 12 VDC cable OK.
200 AMP reverse polarity
relay OK.
200 AMP terminal block OK.
200 AMP terminal block to
PDP 12 VDC cable OK.
200 AMP terminal block to
reverse polarity relay 12 VDC
load cable OK.
200 AMP terminal block to
reverse polarity relay 12 VDC
battery cable OK.
Battery to 200 AMP terminal
block 12 VDC cable assembly
OK.
Is 12 VDC present at circuit
breaker socket 1, left of
circuit breaker CB70 on
PDP?
NO
Replace bus bar X7 on PDP or replace
WTEC II dashboard cable assembly
(para 7-10) or WTEC III dashboard cable
assembly(para 7-11)
Repair wire 1601 from bus bar X7 on PDP
to terminal X2 on PDP (para 2-45) or replace
WTEC II dashboard cable assembly (para 7-10)
or WTEC III dashboard cable assembly
(para 7-11)
Voltage Test or
STE/ICE-R Test #89
TM 9-2320-366-20-1
2-266.6
Change 1
If 12 VDC is not present, wire
1601 is faulty.
If 12 VDC is
present, bus bar X7 is faulty.


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