starting problem 65 polara

hey guys i havnt ben on here in a wile but i just found 65 dodge polara thats ben sitting 6 years i got a good deal on it broght it home cleaned it up and cant beleave how clean the car was under all the dirt and dust, it was a 1 owner car with 91k miles, solad as a rock, 383 car,. i was told it ran when parked and was drivin every day, it was parked bc of power steering pump went out and the owner passed away so it sat till i found it, and now for my problem, the ign swith? i put a new battrey in at and replaced the old corroted ground cabel with a new one grounded to the head, i can get the car to turn over by arcing the little box up on the fender well but i cant get the car to turn over bye the switch, i cant get the light to come on or anything, im stumped, any advise out their?
Gary