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You could do a combined modification.
1) First, modify the module code.
Search and replace the hard-coded module path and name in the module files with the desired module path you want.
You can use the trial edition of TextPipe to search and replace across multiple files, there may be other programs too.
2) Second, upload the module files to the modules/yourmodule directory and install it from XOOPS.
3) Third, move the files to the new location specified in the search and replace routine.
that should work.
If you can install the module with the modified file paths in System>Modules it should work.
you could also use the redirect script mentioned earlier but that would only work where the module does not have the path hard-coded.
If you modify the hard-coded paths first in the module files, you may be home free.