DRIVER'S HEATER CONTROL BOX LIGHT CIRCUIT. (Cont)

TM 9-2350-238-20-1

Step 1.

Remove lamp from driver's heater control box. Refer to page 2-1056.

Connect multimeter to contacts of lamp. If multimeter indicates about 75

ohms, go to step 2. If multimeter indicates infinity, replace lamp. Refer to

Step 2.

Disconnect lead 400 from 20A circuit breaker (near driver's seat). Place red

probe in 20A circuit breaker receptacle. Ground black probe. Set MASTER

switch ON. If multimeter indicates about 24 volts, go to step 4. If

multimeter indicates no voltage, go to step 3. Set MASTER switch OFF.

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