Anyone w/ Innovate LC-1 & XD-16 setup, please help...

[40thanniversary]

I just got the LC-1 and XD-16 gauge. I am having problems where the LC-1 is being intermintent. It jumps all over the place like it's losing power and then tries to free air calibrate all the time. Only thing I can think of is I am having ground issues. Anyone with this setup please tell me where you have the grounds located. Like the ground from the gauge, and the blue,white,green from the LC-1 going. Which ones you have together, and which ones you have totally apart. Thanks