starter switch

I've been doing some electrical work on the car recently and turning the lights on and off a lot, so tonight I thought I'd start the car and let the battery charge a bit. It was starting hard--the third or fourth time I tried to start it, I saw sparks coming from the area of the battery/starter...

My falcon's been sitting for a couple weeks while I fixed a leaky exhaust manifold and did a little wiring work. Wiring still in-progress, but wanted to check the exhaust leak. Things were fine in the "ON" position, but as soon as I kicked it over to "START", it everything went dead. No starter...

Edit: Reposted to All-Ford Tech, as it's not necessarily Falcon Specific My falcon's been sitting for a couple weeks while I fixed a leaky exhaust manifold and did a little wiring work. Wiring still in-progress, but wanted to check the exhaust leak. Things were fine in the "ON" position, but...