Features & Benefits Can test an entire circuit from the battery to the component in question, as well as determining if the relay itself is functioning properly Gives the technician the ability to instantly determine the problem within a tested circuit Identifies at the push of a button if a wire, a part, or a relay is defective, without the use of a multimeter Easily accessible ports for use with other diagnostic tools Tester can jump the relay allowing the technician to use it as a remote control starter in engine work like compression testing, distributor, or camshaft adjusting, or to run the compressor during an A/C charge Works with both 12- and 24-volt systems Includes Tester; (6) Popular relay leads; (1) Universal relay lead; Blow-molded case with a high-density foam insert; Works with both 12 and 24-volt systems