CONTINUITY TEST CAUTION Electrical power must be disconnected from circuit before continuity can be checked Failure to comply may result in damage to test equipment or electrical system. (1) Disconnect wiring from components at each end of wire (2) Set multimeter to ohms position. NOTE A reading of infinity indicates an open circuit. (3) Connect multimeter leads to each end of wire and check multimeter for continuity. NOTE Any reading besides infinity indicates a grounded wire. (4)     Remove multimeter lead from one end of wire and connect to chassis ground. 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.  1049 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.  1049 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. Check ground wire no. 1435 from HEAD LTS. relay for loose connections or damage. WIRE NO.  1927 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.  1927 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. Change 2  2-523