TM  10-3930-669-20 WARNING Remove all jewelry such as rings, dog tags, bracelets, etc.  If jewelry contacts battery terminal, a direct short may result in instant heating of tools, damage to equipment, and injury or death to personnel. VOLTAGE TEST (1) Set  multimeter  select  switch  to  VOLTS DC. (2) Connect positive (+) multimeter lead to relay R7, terminal 30. (3) Connect negative (-) multimeter lead to a known good ground. (4) Set     MAIN     POWER     switch     to     ON position (TM 10-3930-669-10). (5) Set   engine   switch   to   ignition   position (TM 10-3930-669-10). (a)   If    there    are    not    22    to    24    vdc present,  perform  Steps  (6)  and  (7) below and repair wire 29 to relay R7 (see schematic Appendix F). (b)   If  there  are  22  to  24  vdc  present, wire 29 to relay R7 is OK. (6) Set engine switch to OFF position. (7) Set    MAIN    POWER    switch    to    OFF position. 2-355

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