Thanks Bill.
I don't have the cardboard firewall insulation panel yet.
I can find the spot welded cable tab as per your picture for reference.

In your picture, it would appear that the mounting tab screws would come through the firewall just above the top outside voltage regulator bolt hole, just below the horn relay. Does that make sense ?

I found one hole, and the other hole is on the edge of a 3/4" hole. I'll have to file the big hole first, then drill the second tab hole.



When God gives any man wealth and possessions, and enables him to enjoy them, to accept his lot and be happy in his work�this is a gift of God. He seldom reflects on the days of his life, because God keeps him occupied with gladness of heart. Ecclesiastes 5:19-20