ARCTIC HEATER INDICATOR LIGHT DOES NOT ILLUMINATE (MODEL B).

TM 9-2320-279-20-1

Troubleshooting Malfunctions (Cont)

2-15. TROUBLESHOOTING INSTRUCTIONS (CONT).

Table 2-9.

Troubleshooting (Cont)

Malfunction

Test or Inspection

Corrective Action

ARCTIC HEATER KIT (CONT)

8. ARCTIC HEATER INDICATOR LIGHT DOES NOT ILLUMINATE (MODEL B).

Step 1.

Disconnect arctic heater harness connector (para 20-3). Check arctic heater harness

indicator light circuit by shorting arctic heater harness blue/white wire to ground. Connect

jumper between arctic heater harness connector terminals B3 and C3. Turn arctic heater

switch on.

If arctic heater indicator light illuminates. Arctic heater control unit is faulty, notify

the supervisor.

Change 7