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)   Remove instrument panel (Para 7-8). (2)   Set  multimeter  select  switch  to  VOLTS DC. (3)   Connect  positive  (+)  multimeter  lead  to fuel gauge, terminal I. (4)   Connect negative (-) multimeter lead to a known good ground. (5)   Set     MAIN     POWER     switch     to     ON position (TM 10-3930-669-10). (6)   Set   engine   switch   to   ignition   position (TM 10-3930-669-10). (a)   If    there    are    not    22    to    24    vdc present,   repair   gauge   wire   5   (see schematic Appendix F) (b)   If  there  are  22  to  24  vdc  present, lead wire 5 is OK. (7)   Set    MAIN    POWER    switch    to    OFF position. (8)   Set engine switch to off position. CONTINUITY TEST (1)   Set multimeter select switch to OHMS. (2)   Check   continuity   between   fuel   gauge, terminal G and a known good ground. (a)   If    there    is    no    continuity,    repair gauge  ground  wire  (see  schematic Appendix F). (b)   If  there  is  continuity,  gauge  ground wire is OK. 2-141