STOPLIGHT(S) DO NOT OPERATE (S/N YB6122 075 AND UP). (Cont) -725550459

TM 9-2330-385-14

Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry or tools contact positive electrical

circuits, a direct short may result. Damage to equipment, injury, or death to personnel may occur.

VOLTAGE TEST

(1) Set multimeter select switch to volts dc.

(2) Disconnect wire 1003C/22 from

nonoperating LED composite light..

(3) Connect positive (+) multimeter lead

to wire 1003C.

(4) Connect negative (- ) multimeter lead

to a known good ground.

(5) While assistant fully applies brake pedal,

observe multimeter

(TM 9-2320-364-10).

(a) If 10 to 14 vdc are not present,

perform Steps (6) and (7) below and

go to Step 2 of this fault.

(b) If 10 to 14 vdc are present, perform

Steps (6) and (7) below and replace

LED composite light (Para 4-29).

(6) Release brake pedal.

(7) Connect wire 1003C/22.