INSTRUMENT PANEL GAGE LIGHT DOES NOT WORK CONTINUED.

9-2320-270-20-1

TROUBLESHOOTING - CONTINUED

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

30. INSTRUMENT PANEL GAGE LIGHT DOES NOT WORK CONTINUED.

Put headlight switch (1) to ON position. Put blackout switch (2) in LIGHTS

Step 2.

position. Turn light control rheostat (3) clockwise as far as possible. Open

instrument panel (page 4-244). Using multimeter set at 30 vdc, put red probe on

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

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

light switch in OFF position and notify direct support maintenance.

Push horn button (6).

Step 3.

If horn does not sound, go to step 7.

Using voltmeter set at 30 vdc, put red probe on headlight switch terminal (7) and

Step 4.

black probe on panel (5).

If meter reads no voltage, go to step 6.

TA239666

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