KNOWN INFO
Other indicator lights operate.
REAR BRAKE AIR pressure
gage operates.
Rear brake air indicator lamps
OK.
Lighted indicator display OK.
POSSIBLE PROBLEMS
Faulty rear air pressure
transmitter.
Faulty dashboard cable
assembly.
2.
Is continuity present from
connector PX7 pin 13 to
terminal lug TL157?
TEST OPTIONS
REASON FOR QUESTION
NO
YES
Repair wire 1525 from terminal lug TL157
to connector PX7 pin 13 (para 2-40) or replace
WTEC II dashboard cable assembly (para 7-10)
or WTEC III dashboard cable assembly (para 7-11).
e37. REAR BRAKE AIR INDICATOR DOES NOT ILLUMINATE WHEN AIR PRESSURE IS BELOW
65 PSI (CONT)
CAUTION
Read CAUTION
on following page.
Continuity Test or
STE/ICE-R Test #91
If continuity is not present,
wire 1525 is faulty.
TM 9-2320-365-20-1
2-500 Change 1