No power at key

Eljay said
The car is a 1970 Dart Swinger 340. .

Thanks, I thought "we" here had a service manual that would help you, but no '70 at this point, or do you have one?

There are some wiring diagrams here, but they lack some of the detail:

http://www.mymopar.com/index.php?pid=31

70 Duster:

http://www.mymopar.com/downloads/1970/70ValiantDusterA.JPG

http://www.mymopar.com/downloads/1970/70ValiantDusterB.JPG

I have a paper '70 shop manual, if you need photos of certain pages I can post 'em here