Phloop: I have the adapter. I was looking for a simple way to wire it into the Zuke wiring harness.
First let me say that I got the name wrong, it is Hoppy not Hoopy. That is the CRS kicking in.
Like I mentioned, try finding a Hoppy adaptor that will allow you to plug into the stock wiring harness. They make a T fitting that will do this, you unplug a plug for the rear tail lights at the rear and plug one end of the adaptor into the female side and the other end into the male side. I bought one for my Sammy, but I will admit that was a while back.
I take it by your term adaptor you do not have the T fitting adaptor but the car/truck end of the trailer connector?
Also after lookking real quick on the net, it looks like you may have to hardwire an adaptor instead of using a T adaptor.