TM 9-2320-260-20
Table 2-4. Electrical Troubleshooting (Contd).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Test 5. Test warning light flasher for power input.
Step 1. Set battery switch to ON position.
Step 2. Set ignition switch to RUN position.
Step 3. Set multimeter to a range that will measure 24 volts.
Step 4. Disconnect harness connector from warning light flasher.
Step 5. Touch positive lead of multimeter to contact end of pin A at harness connector.
Step 6. Touch negative lead of multimeter to frame ground. Voltage should be present.
a. If voltage is present, go to test 6.
b. Repair or replace lead if voltage is not present (para. 4-52 or 4-55).
Test 6. Test warning lamp harness for power input.
Step 1. Position battery switch to ON position.
Step 2. Position ignition switch to RUN position.
Step 3. Set multimeter to a range that will measure 24 volts.
Step 4. Disconnect lead 325 at warning lamp harness.
Step 5. Touch positive lead of multimeter to contact end of lead 325 pin A from warning switch.
Step 6. Touch negative lead of multimeter to frame ground. Voltage should be present.
a. If voltage is present, check for corroded contacts at warning lamp harness.
b. Replace warning light flasher if voltage is not present (para. 4-34).
END OF TESTING!
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