TM 9-2320-360-20-1 WARNING Jewelry can catch on equipment and cause Injury or short across electrical circuit and cause severe burns or electrical shock.  Remove rings, bracelets, watches, necklaces, and any other Jewelry before working around HET Tractor. WIRE NO. 1413 VOLTAGE TEST (1) Turn ENGINE switch to ON position. (2) Place positive (+) probe of multimeter on wire no 1413 at TRACTOR BEACON relay. (3) Place negative (-) probe of multimeter on ground and look for 10-14 volts on multimeter. (4) Turn ENGINE switch to OFF position. TRACTOR BEACON RELAY TEST (1) Turn ENGINE switch to ON position. (2) Place beacon light switch in the on position. (3) Place positive (+) probe of multimeter on wire no 1029 at TRACTOR BEACON relay. (4) Place negative (-) probe of multimeter on ground and look for 10-14 volts on multimeter. (5) Place beacon light switch in the off position. (6) Turn ENGINE switch to OFF position. WIRE NO. 1094 VOLTAGE TEST (1) Turn ENGINE switch to ON position. (2) Place positive (+) probe of multimeter on wire no 1094 at beacon light switch. (3) Place negative (-) probe of multimeter on ground and look for 10-14 volts on multimeter. (4) Turn ENGINE switch to OFF position. Change 2  2-607