(1) Remove bulb from faulty stoplight
(2) Set multimeter to ohms.
(3) Connect multimeter positive lead (+) to
center conductor of bulb.
(4) Connect multimeter negative lead () to
outside conductor of bulb.
(a) If continuity is present, go to Step 2
of this fault.
(b) If continuity is not present, replace
bulb (Para 8-33).