I know this is posted 15 times a day, but my car won't start. It won't crank, it clicks, but won't crank. Battery is fine...starts my other stang. Connections are tight. The starter solenoid is also from my other stang and works fine. Checked resistance of the starter wire and it seems fine. Pulled the starter and had it checked..it's good. What could it be? I'm thinking clutch safety switch, but how do I test that? I also have jumped the two connections on the starter relay and it makes a noise over by the starter, but it doesn't crank. I've pulled the starter already and had it tested at autozone, it's fine. Maybe a bad connection at the starter? It did this before and after I pulled the starter and the connection is tight. I don't know what to do, this is driving me nuts. Any advice is appreciated. I know stuff happens, but if it's not one thing, it's another, seriously...i'm really sick of it. Help if you can.