I have a 68 camaro base cupe w/ a 355 sb. It will not start when I turn the key. There is a short or something beteween the starter and the ignition. The starter is new and good. I have traced a working purple wire from the ignition back to a plug at the end of the stearing collum. From their I'm lost. I have traced a not working yellow wire and a purple wire from the starter to a plug type thing on the fire wall.I do not konw what to do.Please help!