INSTRUMENT PANEL GAGE LIGHT DOES NOT WORK CONTINUED.

TM9-2320-270-20-1

TROUBLESHOOTING - CONTINUED

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

Step 5.

Using muitimeter set at 30 vdc, put red probe on light control rheostat terminal

(4) and black probe on panel (5).

a. If meter reads no voltage, put headlight switch in OFF position and

replace light control rheostat (page 4-286).

b. If meter reads voltage, close instrument panel (page 4-244), put

headlight switch in OFF position and notify direct support

maintenance.

Using multimeter set at 30 vdc, put red probe on headlight switch terminal (6)

Step 6.

and black probe on panel (5).

a. If meter reads no voltage, close instrument panel (page 4-244), put

headlight switch in OFF position and notify direct support

maintenance.

b. If meter reads voltage, put light switch in OFF position and replace

headlight switch (page 4-288).

TA239667

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