e21. TACHOMETER DOES NOT ILLUMINATE (CONT)
3.
TEST OPTIONS
Voltage Test or
STE/ICE-R Test #89
REASON FOR QUESTION
If 12 VDC is not present, wire
1908 in dashboard cable
assembly is faulty. If 12 VDC
is present, wire 1908 in
auxiliary panel cable is faulty.
KNOWN INFO
Hazard lights switch
illuminates.
Tachometer OK.
POSSIBLE PROBLEMS
Faulty auxiliary panel cable
assembly.
Faulty dashboard cable
assembly.
WARNING
CAUTION
Read WARNING and
CAUTION on
following page.
YES
NO
Is 12 VDC present at
connector J913 socket 11?
Repair wire 1908 from connector J913
socket 11 to connector PX14A socket 1
(para 2-40) or replace WTEC II dashboard
cable assembly (para 7-10) or WTEC III
dashboard cable assembly (para 7-11).
Repair wire 1908 from connector P913
pin 11 to connector P901 socket 2
(para 2-40) or replace auxiliary panel
cable assembly (para 7-49).
TM 9-2320-365-20-1
2-392.2 Change 1
