STOPLIGHT(S) DO NOT OPERATE (S/N YB6122 075 AND UP). (Cont) -725550293

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 22 to 28 vdc are not present,

release brake pedal, perform Step

(6) below and go to Step 2 of this

fault.

(b) If 22 to 28 vdc are present,

release brake pedal and replace

LED composite light (Para 4-29).

(6) Connect wire 1003C/22.