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TM9-2350-238-20-1
2-12. ELECTRICAL CIRCUIT TROUBLESHOOTING (CONT).
Step 1.
Connect 24-volt power source to oil reservoir heater slave receptacle.
Disconnect overheat thermostat to relay branched wiring harness from oil
reservoir heater. Place red probe in socket B. Ground black probe. If
multimeter indicates about 24 volts, go to step 2. If multimeter indicates no
voltage, repair overheat thermostat to relay branched wiring harness. Refer
to page 2-371. Connect wiring harness.
Step 2.
Disconnect relay and disconnect to slave receptacle special cable assembly
from relay. Place red probe in connector. Ground black probe. If
multimeter indicates about 24 volts, go to step 3. If multimeter indicates no
voltage, repair relay and disconnect to slave receptacle special cable
assembly between relay and circuit breaker. Refer to page 2-584. Connect
lead.
2-356
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