2008 ZR6.Has anybody got an idea on where I can easily tap into a live feed in the engine bay that is only energised when the engine is running or ignition is hot? I'm adding a circulation pump to the heater which needs to spin whenever the engine is running.Taking a feed from the heater circuit is not practical as it's a three stage heater so a pain to wire to a pump and of course the wiring is at the other end of the boat. I guess I could add a voltage sensing relay but would rather find a switched live. Thoughts?