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 lower and upper column covers (Para 7-21). (2) Set multimeter select switch to VOLTS DC. (3) Connect positive (+) multimeter lead to engine switch wire 4 terminal. (4) Connect negative (-) multimeter lead to a known good ground. (5) Set MAIN POWER switch to ON position (TM 10-3930-669-10). (a) If there are not 22 to 24 vdc present, perform Step (6) below and go to Step 15 of this Fault. (b) If there are 22 to 24 vdc present, perform Step (6) below and go to Step 12 of this Fault. (6) Set MAIN POWER switch to OFF position. CONTINUITY TEST (1) Set multimeter select switch to OHMS. (2) Check continuity between engine switch wire 33 and wire 4 ter- minals. (3) Set engine switch in start position (TM 10-3930-669-10). (a) If there is no continuity, replace engine switch (Para 7-14). (b) If there is continuity, engine switch is OK. 2-29