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 engine ventilation panel (Para 6-2). (2) Set multimeter select switch to VOLTS DC. (3) Connect positive (+) multimeter lead to shunt terminal. (4) Connect negative (-) multimeter lead to a known good ground. (a) If there are not 22 to 24 vdc present, replace battery to shunt cable (Para 7-53). (b) If there are 22 to 24 vdc present, repair wire 2 (see schematic Appendix F). (5) Install engine ventilation panel. 2-23