TM 9-2320-211-20
Key
to
Cable
Circuit
gage
No.
Circuit description
21
14
Light switch to service taillight and trailer receptacle.
22
14
Light switch to service spotlight and trailer receptacle.
460
B. O. marker, parking light, and turn signals.
14
461
14
B. O. marker, parking light, and turn signals.
c. General Test Procedures. All lights described
specific ground wire. The following procedure
in this section are 24-volt operated and have a 24-
should be used to test the light circuits.
volt negative (--) ground, so the meter negative
( 1 ) Place the headlight switch (fig. 2-40) in
(--) lead will be connected to common ground for
the desired position for the lights to be checked.
most tests unless otherwise the procedure specifies a
