• Able to test an entire circuit - from battery to component, including the relay
• Allows the technician to diagnose the problem without the use of a multimeter
• The lighted display shows the technician the problem immediately
• With this item the technician can jump a relay; do an AC charge from the relay by activating the compressor; do compression testing by activating the starter relay and even check turn signals or lights from the front of the car.
• Includes: (1) Tester, (6) popular Relay Leads, and (1) Universal Relay Lead
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