Relay Mod Question

[f155mph]

Ok I want to do the relay mod for my DigiDoc. I got a relay from radioshack part# 275-249. Does anyone know how to hook it up?

Thanks

http://www.radioshack.com/product.asp?catalog%5Fname=CTLG&category%5Fname=CTLG%5F010%5F008%5F003%5F000&product%5Fid=275%2D249