e21. TACHOMETER DOES NOT ILLUMINATE (CONT)
2.
KNOWN INFO
TEST OPTIONS
REASON FOR QUESTION
WARNING
CAUTION
Read WARNING and
CAUTION on
following page.
Voltage Test or
STE/ICE-R Test #89
Hazard lights switch
illuminates.
POSSIBLE PROBLEMS
Faulty auxiliary panel cable
assembly.
Faulty dashboard cable
assembly.
Faulty tachometer.
Is 12 VDC present at
connector P901 socket 2?
If 12 VDC is present,
tachometer is faulty.
Replace tachometer
(para 7-21).
YES
NO
Go to step 3 of this fault.
TM 9-2320-365-20-1
2-392 Change 1