STOPLIGHT(S) DO NOT OPERATE (S/N YB6122 075 AND UP). (Cont) -725550467

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.

CONTINUITY TEST

(1) Disconnect diode assembly from

diode assembly connector.

(2) Set multimeter select switch to OHMS.

(3) Is continuity measured between diode

assembly connector, terminal 1 and

rear junction box terminal, wire 1003C?

(a) If there is no continuity, repair

wire 1003C (see schematic,

Fig FO-1.1) or replace trailer main

(b) If there is continuity, perform (5)

below and replace diode assembly

(4) Connect diode assembly to diode

assembly connector.

(5) Install rear junction box cover.