I'll make this as simple as possible - for my project I needed to create a splitter for a 12V signal coming from a L298N motor controller, that is connected to 2 small rumble motors from an Xbox 360 controller. To start I created a small 3D printed enclosure with 3 female 5.5mm jacks (power supply style barrel plugs). Each jack has 2 connections, say A and B - I wired all 3 A jacks and all 3 B jacks together so I could use a short input cable that then splits to the 2 output jacks. I tested continuity and everything checks out perfectly. However it doesn't work.
After beating my head against a wall for a while (fortunately I have a thick head) I decided to test by replacing one of the jacks, the input, with a wire instead with a male 5.5mm jack connected. So the same exact wiring, same tests for continuity work great but this time - IT WORKS. I don't understand why - I simple replaced a 5.5mm jack (that would then have a short male to male cable plugged into it) with the cable instead, essentially removing one male and one female jack from the circuit AND IT WORKS. WHY????
I don't understand this at all and am curious if there's something bone headed that I'm doing (see previous comment on the thickness of my head). Not sure if this is the right forum for this but in the past folks here have been really helpful and MUCH smarter than I am - so what could I possibly be doing different? If I need to provide more or clearer details just let me know.
Thanks!
~Ross