My car has shut down 3 times now, each time it happens is when I am driving at high speeds an then shift into neutral and brake because a red light is coming up. I've noticed that the higher the speed is when I am in neutral, the lower my RPM's are. I'm assuming that my car is shutting down when...

Okay, so I bought my 2001 celica gt about a year ago and I've been trying to undo the damage that the previous owner has done to it. As I was going through the car I found these two parts underneath the spare tire and I have no idea where they go...