FAULT CODE 020 OR 021: GLOW PIN OPEN CIRCUIT OR GLOW PIN SHORT CIRCUIT. (Cont) -726250879

TM 9-2320-364-34-1

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.

NOTE

Arctic heater glow pin harness white and brown wires are connected with an insulator. Do not separate white and

brown wires at glow pin terminal.

CONTINUITY TEST

(1) Connect positive (+) lead to brown wire

at arctic heater internal harness

connector, terminal 7.

(2) Connect negative (-) lead to white wire

at arctic heater internal harness

connector, terminal 2.

(3) Are arctic heater glow pin wires free

of shorts?

(a) If there is continuity, replace arctic

heater glow pin harness

(Para 18-2.2).

(b) If there is no continuity, go to

Step 4 of this Fault.

2-795 2-29