OBDII/OBD2 16 Pin Connector Pinout:
 
 - PIN 1 – Manufacturers discretion
  - PIN 2 – SAE J1850 Line (Bus +) *
  - PIN 3 – Manufacturers discretion
  - PIN 4 – Chassis Ground
  - PIN 5 – Signal Ground
  - PIN 6 – SAE J2284 (CAN High) *
  - PIN 7 – K Line of ISO 9141-2 & ISO/DIS 4230-4*
  - PIN 8 – Manufacturers discretion
  - PIN 9 – Manufacturers discretion
  - PIN 10 – SAE J1850 Line (Bus -) *
  - PIN 11 – Manufacturers discretion
  - PIN 12 – Manufacturers discretion
  - PIN 13 – Manufacturers discretion
  - PIN 14 – SAE J2284 (CAN Low) *
  - PIN 15 – L Line of ISO 9141-2 & ISO/DIS 4230-4*
  - PIN 16 – Unswitched Vehicle Battery Positive
  
The package includes a rubber grommet and 4 screws.