DUOYI DY29 Car OBD2 Diagnostic Protocol Detector Tester

1. Probing at the OBDII connector is no longer required. 2. Easily access each of the 16 pins while scan tool communicating with vehicle. 3. LEDs to quickly indicate power or ground problems of OBDII connector. 4. Mimics the OBDII connector layout for quick reference. 5. Quick, safe and convenient access to chassis ground and power by this monitor. 6. Uses safety banana sockets that accept all types of 4mm banana plugs including those with safety sheaths.