OK, Ray, here is wher I'm gonna start sounding like a newbie.  Sorry. :blackeye: 
 
1.  When i printed up the pages from the old forums, my printer cut off the URL, and I've tried for2 days to "recreate" my search with no luck.  :help: 
 
2.  Ummmmm....use a what??????....diode, isn't that some kind of gemstone?  :laugh:   
 
3.  But if I know which wire on the harness to tap into, is it safe to splice into that wire?  
 
4.  If I wanted to use the "mechanical", ie, actual cam of the secondaries as a switch, can you suggest what type of switch to start looking for, or give me a (hard) shove in the right direction????  I've wired up many car audio systems, as well as secondary lights and such, but using a mechanical activated switch is something new to me.