Welcome Suenami and your 1st successful troubleshooting exercise! There are plenty of guys and gals here to help you do routine and advanced work, saving you time and money. Suggest you get an HD service manual, though $63 is a bargain the 1st time you do your own oil change...life is necessarily tough or complicated owning an HD, check this out from the Self Help Tips section...
http://www.hdtimeline.com/archive/index.php/t-4756.html
http://www.hdtimeline.com/archive/index.php/t-4756.html