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 transmission range switch (Para 7-19). (2)   Set  multimeter  select  switch  to  VOLTS DC. (3)   Connect  positive  (+)  multimeter  lead  to transmission range switch, terminal 2. (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,  perform  Steps  (7)  and  (8) below and repair wire 10 to transmission speed switch (see schematic Appendix F). (b)   If  there  are  22  to  24  vdc  present, perform   Steps   (7)   and   (B)   below and     replace     transmission     speed switch (Para 7-19). (7)   Set engine switch to off position. (8)   Set    MAIN    POWER    switch    to    OFF position. VERIFY REPAIR (1)   Start engine (TM 10-3930-669-10). (2)   Set  transmission  range  switch  to  HIGH RANGE position (TM 10-3930-669-10). (3)   Observe  and  listen  for  speed  and  rpm change. (a)   If  transmission  does  not  engage  in high    range,    fault    not    corrected. Perform   Steps   (4)   and   (5)   below and    repeat    procedure    and    notify Supervisor. (b)   If transmission operates, fault corrected. (4)   Park forklift. (5)   Shut down engine. 2-273