hey guys just put small port in my car using big port wiring, diz, and ecu
problem
i only have 0.4v at all 3 pins at the diz ? its the same coming out of the ecu yet i have 12v going in on ignition at +b1 and at +b and constant 12v (batt)

were have i gone wrong?
also have 12v at my coil with igniotn on

im thinking it an earth problem? do i need any other erath wired to the ecu minus the 3 or 4 brown wires on first plug?

please help

im in kiama nsw if anyone close can come have a look

and all my injector wires have 12v