Tower Pro995MG Problems/Glitching?

[norco kid]

I just got some Tower Pro 995MG servos for my clod, and when I put one on it's fine, but when I use a Y harness (from traxxas revo) Both servos jitter and don't work well.. I have a super rooster ESC, but have tried disconnecting the esc all together and using a seperate rx pack with the same results. I'm running a full metal rockbull chassis and the metal gear servos with a 75mhz am radio.. Do you think theres too much interferance? Maybe the metal gears in the servos are creating too much electrical noise? I tried with 2 cheesy traxxas nylon gear servos and it works fine..? But I mean, there has to be a way.. Doesnt everyone run MG servos on their clods? Is there something I'm missing? How do you guys run dual servos?