Vehicle OBD (On Board Diagnostic) socket protocol signal identifier and termination box, designed for use with OBDII/EOBDII diagnostic devices.
The detector allows the technician to test signal data using an oscilloscope or multimeter, while also accessing the vehicles on-board diagnostic data. The product also features a digital readout that allows the user to switch between pins to determine whether the contacts are live or grounded and what voltage they are carrying.

Compatible with 12 and 24V systems; plugs directly into the vehicles OBD socket.
Digital indicator of the voltage of the selected pin. Pin 16 is shielded to protect diagnostic equipment from vehicle wiring faults.
Protocol indicator lights on corresponding pins – pin 6 = CAN H, pin 14 = CAN L, pin 2 = VPW+, PWM+, pin 10 PWM-, pin 7 K_LINE & pin 15 L_LINE.