I cannot get my Saturn to start!! I've tried everything! Any suggestions?

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My Saturn will not start. When you try to start it all it does is make a loud clicking noise. Ive replaced the ignition switch, the ignition cylinder, starter, and battery. I also cut the white wire for the passlock security and nothing. The alternator and fuel pump are fine. The fuses have been checked...I am at complete loss with this one. I cant get it to a dealership to have it hooked up to the diagnostics mach. Anyone have any suggestions? Btw, I used to have a problem with it starting in the cold. Before I could wait about 10 mins and then it would start...not anymore!