I chose to mount a "liftgate" connector in my bed and the corresponding connector on an cable that connects to my TC. This connector is designed for 2ga. power cables and rated at 200A. It is wired directly to my passenger-side battery + & - posts.
The connectors are made by Philips.
Below are some pic's
'04 Alpenlite Saratoga 935, 190W Unisolar panels, 300Ah Odyssey batt's, Prosine 2.0
'05 Ram3500, Cummins, Smarty Jr, Vision 19.5, Michelin XDE's, Dynatrac Hubs, RR airbags w/ping tanks, Torklift w/Superhitch, Roadmaster swaybar, Thuren trackbar, RanchoRS9000XL/MyRide