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 -I Repair wire or replace harness (para. 4-90). i Replace heater fan switch (para. 1O-73). INSTRUMENTS CIRCUIT RESISTANCE AND CONTlNUrrY 04,500 OHMS STVICE-R TEST 91 1. Connect RED clip and BLACK clip to the indicated test points in the question. RED to the first, BLACK to the second. 2. Start Test 91,04.500 Ohms. 3. Disphyed reading is in ohms. Less than 5 ohms is continuity. If the resistance is over 4.500 ohms, STWICE-R displays .9.9.9.9. CONTINUITY (RESISTANCE) MULTIMETER 1. Set the voltmeter to an ohms scale of about 1,000 ohms. 2. Connect the RED and BLACK leads to the connections 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). 2-371