just installed the upgrade kit for phantom 1 i dont have the gimbal Zenmuse H3-2D as i was told i didnt neet it and my 3party one would be ok. hears my problem i have 2 wires red & black which is soldered to the gimbals board so i have know idea how to conect it so it works. i dont know what gimbal it is cant find the name ask the seller from amazon but got no help. know its a long shot but you never know
Yes, you are right , the red and black cable are for power supply, which so be soldered as showing in the picture . And the X1 is for gimbal tilt control.