Fitech Wiring Issues

I have the PA1200 Forced induction system on my Duster. I've had issues where it wont start only turn over and a zero valve on the Fitech display for RPMs when the motor it cranking. I think it may be the white wire on the Fitech not hooked up to a good enough switched 12V circuit under the dash.

Has anyone else had this problem and if so what wire did you connect to under the dash? The white wire was connected to the blue wire with white stripe under the dash.

Thanks