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 ELECTRICAL Replace rotary switch (para. 4-10). - -I Replace PCB (para. 4-4). Replace harness. Notify DS maintenance (chapter 27). RESISTANCE AND CONTINUITY 04,500 OHMS STVICE-R TEST 91 1. Connect RED clip and BLACK clip to the terminations indicated 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. DC VOLTAGE 045 VOLTS STE!lCE-R TEST 89 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 volts. 0 11 . . WARNING Disconnect negative battery cable before disconnecting and reconnecting protective control box harness. WARNING 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. 2-85