I have a mercury tracer put a new motor in and drove around the corner to see how it runs it had a?

leak in the oil pan i changed the oil pan an now the car won't crank anymore i need a little advice on what it may be please help anyone with any pointersI have a mercury tracer put a new motor in and drove around the corner to see how it runs it had a?Go back and check all the wiring connectors and battery cablesI have a mercury tracer put a new motor in and drove around the corner to see how it runs it had a?Its hard to say, I am not questioning your intelligence but is there oil in the motor since you changed the pan, maybe it all leaked out after you changed it and now the motor locked because of no oil.???