KNOWN INFO
TEST OPTIONS
REASON FOR QUESTION
If continuity is not present,
wire 1548 is faulty. If
continuity is present wire 1586
is faulty.
15.
POSSIBLE PROBLEMS
Faulty dashboard cable
assembly.
e4. 24 VDC CIRCUITS DO NOT OPERATE (CONT)
YES
NO
Continuity Test or
STE/ICE-R Test #91
CAUTION
Read CAUTION
on following page.
Repair wire 1586 from connector PX17 socket 5
to circuit breaker CB70 socket 4 on PDP (para 2-40)
or replace WTEC II dashboard cable assembly (para 7-10)
or WTEC III dashboard cable assembly (para 7-11).
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.
Master power switch OK.
Is continuity present from
relay K2 socket 86 on PDP
to connector PX17 socket
1?
Repair wire 1548 from connector PX17 socket 1
to relay K2 socket 86 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
2-274.12 Change 1
