WARNING
Read WARNING
on following page.
TEST OPTIONS
REASON FOR QUESTION
KNOWN INFO
Is 24 VDC present at circuit
breaker CB30 socket 1 on
PDP?
13.
YES
Voltage Test or
STE/ICE-R Test #89
Repair wire 1602 from terminal X1
on PDP to bus bar X4 on PDP (para 2-40)
or replace WTEC II dashboard cable
assembly (para 7-10) or WTEC III dashboard
cable assembly (para 7-11).
TM 9-2320-365-20-1
2-274.8 Change 1
Service drive lights OK.
Circuit breaker CB70 OK.
Batteries OK.
100 AMP reverse polarity relay
OK.
100 AMP reverse polarity relay
to power distribution panel
(PDP) 24 VDC cable OK.
Battery to 100 AMP reverse
polarity relay 24 VDC cable
OK.
200 AMP reverse polarity relay
OK.
200 AMP terminal block OK.
Battery to 200 AMP terminal
block 24 VDC cable assembly
OK.
200 AMP terminal block to
reverse polarity relay 24 VDC
battery cable OK.
200 AMP terminal block to
reverse polarity relay 24 VDC
load cable OK.
200 AMP terminal block to
power distribution panel (PDP)
24 VDC cable OK.
POSSIBLE PROBLEMS
Faulty dashboard cable
assembly.
Replace bus bar X4 on PDP or
replace WTEC II dashboard cable
assembly (para 7-10) or WTEC III
dashboard cable assembly (para 7-11).
If 24 VDC is not present, wire
1602 is faulty. If 24 VDC is
present bus bar X4 is faulty.
NO
e4. 24 VDC CIRCUITS DO NOT OPERATE (CONT)
