Creating a module that works like products

Creating a module that works like products

I'm trying to create (or repurpose) a module to track solutions that our accounts use. These are not our products, we have our own products and this module is populated with those.

I'd like to have this module show on the account screen like it does with products and the ability to add new associations to an account via a +new button (as you can with the association between accounts>products. These records will not be added new from the account screen, rather we'll use the module just like accounts.

I've tried to create a module with a lookup to the account but it doesn't display correctly. It tries to create a new record instead of popping up the selection list (like products does).

Thanks