Dave, I went with http://www.ezwiring.com/. They do a loom that should cover all the bases. I've not installed mine yet but it looks a total 'no brainer!' The wires are labelled every 5".
I hope this helps. They're also cheaper than Ron Francis as I see cost is a concern.
Jock.


1950 Chevy Advance Design 3100 in Scotland
In the Stovebolt Gallery
More pix on Flickr.
I've definately got this truck thing in my blood ... my DNA sequence has torque settings
"Of all the small nations of this earth,perhaps only the ancient Greeks surpass the Scots in their contribution to mankind" Winston Churchill.