On Sat, 18 Aug 2012 10:49:55 -0500, Richard
wrote:

On 8/17/2012 9:41 PM, wrote:

I generally run the wires through a peice of garden hose down the
tongue and frame and strap the hose solidly to the frame with conduit
straps.


That's an excellent tip.
I ran mine through PVC tube.
The garden hose doesn't break when it flexes. Particularly when cold.