TM 9-2320-360-20-1 NEUTRAL RELAY TEST NOTE ENGINE switch must be positioned and held to START to perform this test. (1) Turn and hold ENGINE switch to START. (2) Place positive (+) probe of multimeter on wire no. 1055 at NEUTRAL relay (3) Place negative (-) probe of multimeter on ground and look for 22-28 volts on multimeter. (4) Turn ENGINE switch to OFF. WIRE NO. 1872 TEST NOTE ENGINE switch must be positioned and held to START to perform this test. (1) Turn and hold ENGINE switch to START. (2) Place positive (+) probe of multimeter on wire no. 1872 at IGNITION relay. (3) Place negative (-) probe of multimeter on ground and look for 22-28 volts on multimeter. (4) Turn ENGINE switch to OFF. (5) Inspect wire no. 1872 between ignition relay and ignition switch if no voltage is measured. WIRE NO. 1871 TEST NOTE ENGINE switch must be positioned and held to START to perform this test. (1) Turn and hold ENGINE switch to START. (2) Place positive (+) probe of multimeter on wire no. 1871 at IGNITION relay. (3) Place negative (-) probe of multimeter on ground and look for 22-28 volts on multimeter. (4) Turn ENGINE switch to OFF. (5) Inspect wire no. 1871 between ignition relay and ignition switch if no voltage is measured Change 2  2-377