What in particular do you need. I have the master wiring manual for the '04 model.
I might be able to scan and post it. I just got a new Brother's 3 in 1.
I need practice to figure out how to work it....
You might check anywhere online. Someone might have one for sale. They are out of production now. I bought mine from a member of this site 10 years ago.
Keep checking swap and sale and ebay etc. GL