>But the trailtech uses both high and low leads into the voltage regulator.
>So you would float the ground and hook both high and low to the regulator along with the floated ground.
No it depends on how you set things up and the rectifier regulator used etc.
The green lead/low power has less wraps than the yellow highpower to use both you need a 6 way rectifier before the regulator or they will fight each other.
Or you will loose power/ fry something/it wont work.
Do some reading. http://www.allaboutcircuits.com/ (edited)