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 INSTRUMENTS CIRCUIT WARNING Disconnect negative battery cable before disconnecting and reconnecting PCB 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. Engine temperature must be below 120°F (49%) or the lamp may not come on. Replace PCB (para. 4-4). 2-323