Update on the never ending problem, The 30ohm gauge is not currently available from the supplier, so the search continues
went to O-Reillys and searched for a sender, found one for a early 1970 Blazer and it fits and works with my 90ohm gauge.
Not on their computer, had to dig the book out, just installed it and works fine. Classic Parts listed it but not available, soooo
the O-Reilly part # is FG118A, I know that I'am not the only one that has run into this type of problem, hope this will help someone else
in the future. Makes you wonder how this virus situtation will effect the classic and restoration field in the future.