Disconnect connector P85 from LH side
marker light connector.
Set multimeter to volts DC.
Connect positive (+) probe of multimeter
to connector P85.
Connect negative (-) probe of multimeter
Position main light switch to SER DRIVE
(TM 9-2320-366-10-1) and note reading
If 12 VDC is not present, repair wire 489
from connector P85 to splice E16
(para 2-45) or replace rear lights cable
assembly (para 7-84).
Position main light switch to OFF
Inspect connector pins/sockets for damage,
corrosion, and serviceability.
connector pins are not pushed back and
are capable of making good contact.
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.
Remove rings, bracelets, watches, necklaces,
and any other jewelry before working around
Jewelry can catch on equipment and
cause injury or short across electrical circuits
and cause severe burns or electrical shock.