TM 9-2320-272-24-1
Table 2-3. Electrical Troubleshooting (Contd).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
32. HORN INOPERATIVE
Test 1. Test horn circuit breaker voltage.
Step 1. Place battery switch to OFF position.
Step 2. Disconnect lead 10 from circuit breaker.
Step 3. Place battery switch to ON position.
Step 4. Set multimeter to 50-volt range.
Step 5. Connect multimeter negative lead to vehicle chassis ground and positive lead to lead 10.
Multimeter should indicate battery voltage.
a. If battery voltage is not indicated, perform malfunctions 2, 3,4, 6, and 7.
b. If battery voltage is indicated, go to step 6.
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