FEATURESProbing at the connector is no required. access each of the 16 pins while tool communicating with vehicle. to quickly indicate power or ground problems of connector.Mimics the connector layout for quick reference.Product DescriptionDY29 This is an automotive tool for the diagnostic link connector which offers easy access to the connector for monitoring signals of protocol,power and grounds conveniently and safely. It can be also connected to multi-meter or oscilloscope for further testing unconfirmed signals detected.Quick, safe and convenient access to chassis ground and power by this monitor.Uses safety banana sockets that accept all types of 4mm banana plugs including those with safety sheaths.Material: ABSColor: as shownPackage Contents:1 x DY29 OBD interface diagnostic protocol testerOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.