I can't imagine why you would need a diagram, there are only about four wires in the VW bug engine compartment, coil, and generator.(if it's not a bug I am not sure)
how do i get into a trunk o f a vw bug 1972
http://www.thesamba.com/vw/archives/info/wiringt1.php
Bolt in swap.
go to the samba.com and then go to the technical section. All the diagrams you could ever need http://www.thesamba.com/vw/archives/info/ the link
Search for a fuse diagram online. If one is not available, then a service manual can be purchased to find the layout.
Emergency - 1972 Camera Bug 4-10 was released on: USA: 23 November 1974
Fill it full of sand bags
My 73 gets 38mpg in town
yes it just would be newer yes it just would be newer
Haynes Repair Manual. In the back on page 12-27. You can then make some copies and color it to help you find your way around.
Go to thesamba.com under technical.