Universal for all car airbags and belt tensioners with additional ground cable also for all cars that are not on the COMPATIBILITY LIST!!!! Installation is very simple: pull the cable from your defective component and connect the bridge behind the plug using the ones provided Power taps 2x black to the igniter 1x brown to the ground cable. There is no polarity to consider with the igniter cables. Or simply remove the insulation at one point on the Airbag or belt tensioner cable and solder the bridge between them. Then delete the error if this works then you know that your Airbag control unit is OK and it is due to the Airbag / belt tensioner The testing tool may only be used for testing purposes or Troubleshooting can be used! Work on the entire Airbag system may only be carried out by tr.