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).  Do not disconnect wires. (2)   Set  multimeter  select  switch  to  VOLTS DC. (3)   Connect  positive  (+)  multimeter  lead  to transmission speed switch, terminal 6. (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). (7)   Set  transmission  range  switch  to  HIGH RANGE position (TM 10-3930-669-10). (a)   If    there    are    not    22    to    24    vdc present,  perform  Steps  (8)  through (10)  below  and  repair  wire  14  (see schematic Appendix F). (b)   If  there  are  22  to  24  vdc  present, perform  Steps  (8)  and  (9)  replace transmission  speed  switch  (Para  7- 19). (8)   Set engine switch to off position. (9)   Set    MAIN    POWER    switch    to    OFF position. (10)   Set transmission range switch to LOW RANGE position. 2-265