AUXILIARY PANEL, PERSONNEL HEATER, AND INSTRUMENT PANEL DO NOT ILLUMINATE

TM 9-2320-366-20-1

e20. AUXILIARY PANEL, PERSONNEL HEATER, AND INSTRUMENT PANEL DO NOT

ILLUMINATE

INITIAL SETUP

Equipment Condition

Tools and Special Tools

Engine shut down (TM 9-2320-366-10-1).

Tool Kit, Genl Mech (Item 46, Appendix C)

STE/ICE-R (Item 41, Appendix C)

Personnel Required

Multimeter, Digital (Item 22, Appendix C)

(2)

References

TM 9-4910-571-12&P

START

KNOWN INFO

TEST OPTIONS

Continuity Test or

Circuit breaker OK.

STE/ICE-R Test #91

Other lights operate.

REASON FOR QUESTION

POSSIBLE PROBLEMS

Is continuity present

If continuity is not present,

between main light switch

main light switch is faulty.

Faulty main light switch.

terminals B and F?

Faulty dashboard cable

assembly.

Faulty dimmer switch.

YES

Replace main light switch (para 7-17).