Trailer light wiring help needed.
 

Looking for some direction of where to look for wire schematics. Have a HF trailer used to haul my race tires to autox and track days and have used it for a year without hooking up the lights. Gonna fix that this winter. I have the powered adapter, just looking for hints/tips of easiest place to connect for stop/turn and running lights as well as suggestions of easiest path to find a switched 12V power source for the light adapter.

TIA

This could prove useful, though it is not an 8. Should be a similar process. I hope it helps.