DCC in a Lifelike GP-20, how?

[berraf]

I´m new to the world of DCC and my experience is only from HO-scale.
Now I wish to start making my N-scale locos digital and will start with two Lifelike GP-20´s.

So I wonder if someone can give me some advice of how to do it?
And a picture speaks louder than words, as we all know

 

[railohio]

http://www.nscalesupply.com/Base/Digitrax/LLGP20/DecoderInstallLLGP20.html

 

[berraf]

That´s exactly what I need, thank you