My 1999 Audi A4 2.8 Quattro will not start!!! Checked to see if everything was connected to the starter and everything was I also can hear the fuel pump Engaging but still nothing it won't even click to start I put my key In turn it and all the lights come on I fully turn it to turn it over and not even a click I have full battery charge horn works lights work everything electrical works it just won't turn over I would really appreciate if anyone has any idea in dyer need of help