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. CIRCUIT BREAKER TEST (1) Remove eight screws and panel from console. (2) Turn ENGINE switch to ON position. (3) Place positive (+) probe of multimeter on lower terminal of circuit breaker. (4) Place negative (-) probe of multim eter on ground and look for 10-14 volts on multimeter. (5) Turn ENGINE switch to OFF position. NOTE Wire  no.    1118  is  spliced  with  wire  no. 1919. WIRE NO.  1118 VOLTAGE TEST (1) Turn ENGINE switch to ON position. (2) Place positive (+) probe of multimeter on wire no 1118 at windshield wiper switch. (3) Place negative (-) probe of multimeter on ground and look for 10-14 volts on multimeter. (4) Turn ENGINE switch to OFF position. WINDSHIELD WIPER SWITCH TEST (1) Turn ENGINE switch to ON position. (2) Place windshield wiper switch in the intermediate speed position. (3) Place positive (+) probe of multimeter on wire no.  1916 at windshield wiper switch. (4) Place negative (-) probe of multimeter on ground and look for 10-14 volts on multimeter. (5) Place windshield wiper switch in the off position. (6) Turn ENGINE switch to OFF position. Change 2  2-505