Thanks for all this info everyone!
I was tought as a kid to use a non acid core solder..heat shrink tube . used this on heavy trucks ,machienery and trailers .Every trailer I ever built for light systems ..ect!
I have to rewire my mast and go with led lights for up grade ..might as well do it once ..Thanks
Liquid tape > we use on the bottom of back packs to save the bottoms from getting worn out prematurly . works very good and just touch it up when its gets worn.