VOLTAGE TEST
CAUTION
WARNING
Use care when testing electrical connectors.
Do not damage connector pins or sockets
with multimeter probes. Failure to comply
may result in damage to equipment.
Inspect connector pins/sockets for damage,
corrosion, and serviceability. Check that
connector pins are not pushed back or not
capable of making good contact.
Remove rings, bracelets, watches, necklaces,
and any other jewelry before working around
vehicle. Jewelry can catch on equipment and
cause injury or short across electrical circuits
and cause severe burns or electrical shock.
NOTE
(1) Remove instrument panel for access
(para 7-15).
(2) Disconnect connector clamp from REAR
BRAKE AIR pressure gage connector.
(3) Disconnect connector PX5 from REAR
BRAKE AIR pressure gage connector.
(4) Set multimeter to volts DC.
(5) Connect positive (+) probe of multimeter to
connector PX5 pin 3.
(6) Connect negative (-) probe of multimeter to
ground.
(7) Position master power switch to on (TM 9-
2320-365-10).
(8) If 24 VDC is not present, repair wire 1546
from connector PX5 pin 3 to connector
PX4 pin 3 (para 2-40) or replace WTEC II
dashboard cable assembly (para 7-10) or
WTEC III dashboard cable assembly
(para 7-11).
(9) Position master power switch to off (TM 9-
2320-365-10).
Change 1 2-320.5
TM 9-2320-365-20-1
