Interface: 81-pin EDC15 is used in vehicles Fitment: For , For SEAT, For NOTE: not list all the model, please check carefully your car there are or not 81 pins interface before you purchase the item. Installation method: Remove the ECU from the car on the bench or table, plug the 81 pin connector and supply 12 V adaptor to power clips then plug the OBD2 famale to any tuning interface which is connected to laptop. Name:car obd diagnostic cable Note: Installation guide not included, we strongly recommend you professional installation. Please check as much as possible to make sure the item is what you need. Due to different production batches, there are slight differences between the actual product and the picture, which will not affect normal use. Colour:As Shown Material:Plastic Package Contents: 1 x OBD diagnostic cable Only 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.