TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 1 Download
Page 413 of 1205
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). Replace harness or repair wiring (para 4-90). t FRbNT OF VEHICLE t I WINDSHIELD CONNECTOR AS VIEWED FROM ABOVE RESISTANCE AND CONTINUITY 04,500 OHMS STE/lCE-R TEST 91 1. Connect RED dip and BLACK clip to the 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, STEXE-R displays .9.9.9.9. CONTINUITY (RESISTANCE) MULTIMETER 1. Bet 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 cinxit. the meter should peg full scale (needle all the way to the left). 2-359