TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 1 Download
Page 166 of 890
TM 9-2320-280-20-1 REFERENCE INFORMATION Change 1 2-79 ELECTRICAL Replace PCB, refer to (para. 4-5). Replace distribution box, refer to (para. 4-5.1). 0-1500 AMPS DC STE/ICE-R TEST 90 1. Connect probe. 2. Start Test 90, DC amps. 3. Displayed reading is in amps. There is battery voltage at the PCB/distribution box at all times. Failure to disconnect battery cable will result in damage to equipment or injury to personnel. DISCONNECT NEGATIVE BATTERY CABLE BEFORE DISCONNECTING AND RECONNECTING PROTECTIVE CONTROL BOX/DISTRIBUTION BOX HARNESS. WARNING Repair harness, refer to (para. 4-85). Replace harness. Notify DS maintenance.