You suggested I check out:
http://www.picbasic.co.uk/forum/show...17&postcount=6

I see the reference to latching relays. I found at Newark only 12 volt and greater versions. My mental image of my car/truck carries a 7.2 volt Ni-Cd and a 6 volt AA battery pack. Do you know of an appropriate latching DPDT switch?

Ken