Hi Dean Nelson,

1- if you are + earth then it goes +
2- not too sure, I would fit a teeny battery somewhere.
3- yes
4- not sure what you mean, but the mark could represent the highest bit of the cam.
5- both if you have two sets of points.
Dean try this post in the classic bit, you may get a few more answers,
(cos its a long time since I had points)