Nancy Wilson?
"California Soul" by the legendary Marlena Shaw.
Ram Jam
Both Ram Jam & Spiderbait sing it. Spiderbait is the newest version.
it sounds a lot like Marilyn Scott who had an album called Dreams of Tomorrow in the 80's or thereabouts. But it is, in fact Marlena Shaw. Great voice! Seems to be the 1969 version.
Bad city, you can down load it on mp3searchy.com
Ram 1500
2002 Ram 1500- no 2002 Ram 2500, or 3500- yes
California Soul by Marlena Shaw
1500-1500, yes
No
The 2011 RAM 1500 has a V6 engine.