KNOWN INFO
TEST OPTIONS
REASON FOR QUESTION
If continuity is not present,
wire 3041 is faulty.
6.
e4. 24 VDC CIRCUITS DO NOT OPERATE (CONT)
NO
YES
POSSIBLE PROBLEMS
Faulty relay K2.
Faulty dashboard cable
assembly.
Continuity Test or
STE/ICE-R Test #91
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.
Repair wire 3041 from terminal board
TB2 position 43 on PDP to relay K2 socket
85 on PDP (para 2-40) or replace WTEC II
dashboard cable assembly (para 7-10) or WTEC
III dashboard cable assembly (para 7-11).
Is continuity present from
relay K2 socket 85 on PDP
to ground?
TM 9-2320-365-20-1
2-268 Change 1
