I have some recon bed lighting for my truck and have no idea how to install this.. it came wtih a little red on/off button not attached to anything, i hear from research it can be attached to dome light?? i would like to just string up in bed and have loose open wire end connected near tailgate to something?? dont know if its possible or should be done this way or not.. Also would liket o know what some others have done with the switch?? any and all suggestions welcome, but pls be specific im new at these kind of projects