TM 9-2320-260-20
Table 2-4. Electrical Troubleshooting (Contd).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Test 3. Test floodlight switch for power input.
Step 1. Position battery switch to ON position.
Step 2. Set multimeter to a range that will measure 24 volts.
Step 3. Disconnect two leads 87 (pins A and D).
Step 4. Touch positive lead of multimeter to lead 87.
Step 5. Touch negative lead of multimeter to frame ground. Voltage should be present.
a. If voltage is present, go to test 4.
b. If voltage is not present, go to test 7.
Test 4. Test floodlight switch for power output.
Step 1. Position battery switch to ON position.
Step 2. Position floodlight switch to ON.
Step 4. Disconnect two leads 87 (pins B and C).
Step 5. Touch positive lead of multimeter to lead 87.
Step 6. Touch negative lead of multimeter to frame ground. Voltage should be present.
a. If voltage is present, go to test 5.
b. Replace floodlight switch if voltage is not present (para. 4-17).
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