TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 1 Download
Page 323 of 890
TM 9-2320-280-20-1 Change 1 2-227 2-28. PROTECTIVE CONTROL BOX/DISTRIBUTION BOX TESTS This protective control box /distribution box test can be run any time you think there may be a problem with the protective control box or distribution box, or if you were sent here from another system chain. NOTE • To perform PCB/distribution box diagnostics, a PCB test module is needed. • For fabrication of PCB/distribution box test module, refer to Appendix D, Figs. 96-113, or requesitioned with NSN 6625-01-440-4522.