The Standard Display Cable may be connected to the optional DB9 to OBD2 Cable for direct connection to the Diagnostics CAN bus and power in a vehicle. The pinout of that cable is as follows:
DB9
Pin Function
Pin 2
CAN L
Pin 3
Ground
Pin 5
Ground
Pin 7
CAN H
Pin 9
Power Supply 10-32V
OBD2
Pin Function
Pin 4
Ground
Pin 5
Ground
Pin 6
CAN H
Pin 14
CAN L
Pin 16
Battery Power
