2 Pin Plug Wiring Diagram. And if so, what is the pin out? Our trailer wiring diagram is a colour coded guide designed to help you wire your trailer plug or socket.
I guess that was no answer to the question. The wiring diagram is shown with the "hook clip" on the underside. However, there are some symbols and other notation on it that I don't understand and cannot find in the explanatory notes in WIS.
I guess that was no answer to the question.
If you look at the diagrams in the FAQ sticky you should be able to determine which pin it goes to.
I'm hoping someone here might be able to. Should be black for + and white for -, but when I work on wiring my multimeter is God! Arduino Uno has two external interrupt pins.