TM 10-3930-669-20 VOLTAGE TEST (1) Set multimeter select switch to VOLTS DC. (2) Check voltage between relay R1, terminals 86 and 85. (a) If 22 to 24 vdc are not present, replace relay R1. (b) If 22 to 24 vdc are present, replace regulator (Para 7-5). (3) Install relay R1 (Para 7-33). VERIFY REPAIR (1) Start engine (TM 10-3930-669-10). (2) Observe ammeter for declining amperage. (a) If amperage declines, fault not corrected. Perform Step (4) below and repeat procedure and notify Supervisor. (b) If amperage does not decline, go to Step (3) below. (3) Shut down engine and restart engine. (a) If engine does not start, repeat procedure and notify Supervisor. (b) If engine starts, fault corrected. (4) Shut down engine. 2-289