GEARWRENCH 3/8" Drive 3/8" F x 1/2" M Adapter - 81278

Quickly Locate Shorts and Opens: Trace wiring shorts, open circuits, and battery drains without removing panels, molding, or carpets. | Intelligent Transmitter and Receiver: Features advanced technology for precise circuit diagnostics, including direction indicators for grounded and open signals. | Versatile Application: Perfect for locating intermittent conditions, testing continuity, and isolating circuits in automotive electrical systems. | Complete Kit Included: Comes with alligator clip, blade probe, piercing probe, back probe adapter, universal adapter, and a sturdy blow-molded case. | Durable and Safe Design: Operates within 6-48 VDC and built with robust safety standards, ideal for professional automotive technicians.