FAULT CODE 020 OR 021: GLOW PIN OPEN CIRCUIT OR GLOW PIN SHORT CIRCUIT. (Cont) -726250877

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 brown

wire at arctic heater glow pin terminal.

(3) Is continuity measured across arctic

heater glow pin harness brown wire?

(a) If there is no continuity, replace

arctic heater glow pin harness

(Para 18-2.2).

(b) If there is continuity, go to Step 3

of this Fault.

2-793 2-27