TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 1 Download
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TM 9-2320-280-20-1 REFERENCE INFORMATION PROTECTIVE CONTROL BOX/DISTRIBUTION BOX Change 1 2-245 Disconnect negative battery cable before disconnecting and reconnecting protective control box/distribution box harness. Failure to do so may result in injury to personnel or damage to equipment. Replace protective control box, refer to (para. 4-5). WARNING