Universal simulator. These simulators are for diagnostic/troubleshooting purposes only. They will make the computer think that the or seat belt pretensioner is connected and, if no other problems exist, should make the light go off. This is very useful for making repairs to the system if you do not have a good yet. Or for making sure that everything is functioning properly before you connect the . This is useful tool on diagnostic SRS Syetem It suitable for most SRS System Universal for Auto Car SUV Off-Road Pickup Truck They are very easy to use and simply splice into the two connectors that normally connect to the drivers . Colour: black Material: plastic Size: 39 x 19mm Package Contents: 6 x Car Detection Tool Only the above package content, other products are not included. Note: Light 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.