Originally Posted by Piper J3
Original power outlet is always powered independent of master switch. Therefore, if you install USB outlet, you will have constant drain of about 10 mAh even with nothing plugged in. I have my mini iPad powered from USB in place of cigarette lighter plug.
This is why I moved the wire from one side of the master solenoid to the other. Quick and easy change, if you want it powered only when the master is on.
RV-12 # 222 N980KM "Screamin' Canary" (bought flying)
Fisher Celebrity (under construction)
Previous RV-7 project (sold)