TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 1 Download
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TM 9-2320-387-24-l REFERENCE INFORMATION INSTRUMENTS CIRCUIT Make sure these contacts are clean. Otherwise, the wiper motor may not have power or ground. Replace harness or repair wiring (para. 4-80). -I Replace harness or repair wiring (para. 4-80). , 4 FRONTOF VEHICLE 4 , I I WINDSHIELD CONNECTOR AS VIEWED FROM ABOVE DC VOLTAGE o-45 VOLTS STVICE-R TEST 89 I 1. Connect RED clip to the indicated test point, BLACK clip to negative or ground 2. Start Test 89. DC Volts. 3. Displayed reading is in vofts. BAlTERY VOLTAGE MULTIMETER 1. Set the voftmeter to a DC vofts scale of at least 40 volts. 2. Connect the RED lead to positive and the BLACK lead to negative. 3. Be sure to read the correct scale. RESISTANCE AND CONTlNUlIY 04,500 OHMS STUICE-R TEST 91 1. Connect RED clip and BLACK clip to ttte indicated terminals in the question. RED to the first, BLACK to the second. 2. Start Test 91,0-4,500 Ohms. 3. Displayed reading is in ohms. Less than 5 ohms is continuity. If the resistance is over 4,500 ohms, STEIICE-R displays .9.9.9.9. CONTlNUlTY (RESISTANCE) MULTIMETER 1. Set the voltmeter to an ohms scale of about 1,000 ohms. 2. Connect the RED and BLACK leads to the connectiins stated in the question. 3. Be sure to read the correct scale. Less than 5 ohms indicates continuity. For an open circuit, the meter should peg full scale (needle all the way to the left). 2-357