TM 9-2350-238-20-1
2-12. ELECTRICAL CIRCUIT TROUBLESHOOTING (CONT).
Step 1.
To access voltage regulator, remove left CO
2
cylinder access cover. Refer
to page 2-923. Disconnect wiring harness from voltage regulator. Place
red probe in plug socket G (lead 5). Ground black probe. Set MASTER
switch ON. If multimeter indicates no voltage, go to step 2. If multimeter
indicates about 24 volts, go to step 5. Set MASTER switch OFF. Connect
wiring harness to voltage regulator.
Step 2.
Place red probe in socket (-) of slave receptacle. Ground black probe. If
multimeter indicates continuity, go to step 3. If multimeter indicates no
continuity, repair lead 50 between slave receptacle and ground (located
above aft air cleaner centrifugal fan). Refer to page 2-371.
2-140