Gary.
I have more tethering allotment so I went back and filled in the blanks.
I tried to use known vendors (Amazon, Summit) so the links should last.
Not the cheapest, like eBay.
HTH with your 3G conversion page.
Jim,
Lil'Red is a '87 F250 HD, 4.10's, 1356 4x4, Zf-5, 3G, PMGR, Saginaw PS, desmogged with a Holley 80508 and Performer intake.
Too much other stuff to mention.