I found this web site where I can download PDF copies of the Owners Manuals, and order the original replacement manuals. It appears they have owners manuals available for many models. I looked through the PDF manual, and it said the Inertia Switch is located behind the trim panel in front of the passenger door. Since it broken down many miles away, I can't just run out and check to see if it is right, but it must be, I looked everywhere else.
I hope this saves someone else the pain I have gone through trying to find this switch.