If your car has an aux jack, you can use it to power up your audio system. However, if the jack is not working properly, you may need to fix it. Here are some tips on how to fix a car aux jack:

  1. Check the jack’s function. Make sure that the jack is working properly by plugging in an audio device and testing the sound. If the sound is not coming out of the jack, then it may be broken or need to be fixed.
  2. Check the connections. Make sure that all of the connections are correct by checking them with a multimeter or a wrench. If there are any problems with the connections, then they will need to be fixed before using the aux jack again.
  3. Fix the problem if it exists. If there is a problem with either of the connections on your aux jack, then you will need to fix it before using it again. This includes tightening up any loose screws or replacing any broken parts if necessary.