INSTRUMENT (SWITCH) PANEL LIGHT CIRCUIT. (Cont)

TM 9-2350-238-20-1

Step 1.

Set MASTER switch OFF. Remove lamp from instrument (switch) panel

light. Refer to page 2-578. Connect multimeter to contacts of lamp. If

multimeter indicates about 70 ohms, go to step 2. If multimeter indicates

infinity, replace lamp. Refer to page 2-578.

Make sure MASTER switch is OFF before repairing electrical

circuits. Failure to observe this warning could result in injury to

personnel.

Disconnect lead 40 from instrument (switch) panel light. Place red probe in

Step 2.

lead 40. Ground black probe. Set MASTER switch ON. If multimeter

indicates about 24 volts, repair instrument (switch) panel light assembly.

Refer to page 2-566. If multimeter indicates no voltage, go to step 3. Set

MASTER switch OFF. Connect lead.

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