In my opinion it is way better to recondition the old one. I wrote a tech on the subject here:

http://www.jalopyjournal.com/forum/...on-a-delco-remy-headlight-switch.940829/

Patients and a nice work table will be your freind. Not the answer to your question but the new ones really do suck quality wise. Everytime I find an original one at a swap meet I snatch it up.