e14. TACHOMETER DOES NOT OPERATE OR IS INACCURATE (CONT)
CAUTION
Read CAUTION
on following page.
TEST OPTIONS
Continuity Test or
STE/ICE-R Test #91
REASON FOR QUESTION
KNOWN INFO
Is continuity present from
connector PX26 socket 6
to socket 4?
YES
NO
12.
Faulty dashboard cable
assembly.
POSSIBLE PROBLEMS
Tachometer illuminates.
VOLTS gage OK.
Engine speed sensor OK.
If continuity is not present,
wire 3083 from connector
PX26 socket 6 to socket 4 is
faulty. If continuity is present,
wire 3083 from connector
PX26 socket 4 to connector
J31 pin 16 is faulty.
Repair wire 3083 from connector PX26
socket 6 to socket 4 (para 2-40) or replace
WTEC II dashboard cable assembly (para
7-10) or WTEC III dashboard cable
assembly (para 7-11).
Repair wire 3083 from connector PX26 socket 4
to connector J31 pin 16 (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
2-356.8 Change 1
