TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 1 Download
Page 356 of 1205
TM 9-2320-387-24-l - REFERENCE INFORMATION GLOW PLUGS CIRCUIT Disconnect negative battery cable before disconnecting and reconnecting PCB harness. I WARNING I There is battery voltage at the PCB at all times. Failure to disconnect battery cable will result in damage to equipment or injury to personnel. Repair/replace wiring (para. 4-80). GLOW PLUG CONTROLLER HARNESS WITH SOCKETS 3 AND 6 HIGHLIGHTED Repair/replace wiring (para. 4-80). Replace glow plug controller (para. 4-33). 0 0 4 0 0 ;> ; 6 o2 1 ENGINE CONNECTOR HARNESS WITH SOCKETS A AND B HIGHLIGHTED I RESISTANCE AND CONTlNUlTY 04.500 OHMS STEIICE-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 91.9-4.5Ou Ohms. 3. Displayed reading is in ohms. Less than 5 ohm is continuity. If the resistance is over 4.500 ohms, WE/ICE-R displays .9.9.9.9. I CONTlNUlTY (RESISTANCE) MULTIMETER 1. Set the voltmeter to an ohms scale of about 1.fIOO 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). GLOW PLUG CONTROLLER 2-301