[colmo]

Originally Posted by Mike Hudson

it connects to the positive terminal on your esc or the fet wire wire on the esc if it has one with a fet choke connected inbetween

Either way, is the FET choke necessary?

Edit:

Originally Posted by Southwell

You must get a fet choke for it or you risk getting interference.

I guess that answers it.

Thanks all, I now have to get my hands on a FET choke in quick time...

I've been told the choke also protects the servo from being fried by voltage spikes.