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. HEAD LTS.  RELAY TEST (1) Turn ENGINE switch to ON position. (2) Place headlights switch in the on position (3) Place positive (+) probe of multimeter on wire no.  1017 at HEAD LTS relay (4) Place negative (-) probe of multimeter on ground and look for 10-14 volts on multimeter. (5) Place headlights switch in the off position. (6) Turn ENGINE switch to OFF position WIRE NO.  1017 VOLTAGE TEST (1) Turn ENGINE switch to ON position. (2) Place headlights switch in the on position. (3) Place positive (+) probe of multimeter on wire no.  1017 at DIMMER relay (4) Place negative (-) probe of multimeter on ground and look for 10-14 volts on multimeter. (5) Place headlights switch in the off position. (6) Turn ENGINE switch to OFF position. DIMMER RELAY TEST (1) Turn ENGINE switch to ON position. (2) Place HEADLIGHT switch In the ON position. (3) Place HEADLIGHT DIMMER switch in the low beam position. (4) Place positive (+) probe of multimeter on wire no 1006 at DIMMER relay (5) Place negative (-) probe of multimeter on ground and look for 10-14 volts on multimeter. (6) Place HEADLIGHT DIMMER switch in the high beam position. (7) Place positive (+) probe of multimeter on wire no.  1007 at DIMMER relay. (8) Place negative (-) probe of multimeter on ground and look for 10-14 volts on multimeter. (9) Place HEADLIGHT switch in the OFF position (10)Turn ENGINE switch to OFF position. Change 2  2-525