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I have fitted a MRT water spray intercooler that itīs on when the water temperature & turbo pressure are as previously adjusted. But with the colour codes of wires of the MRT fitting instructions the green led of the turbo pressure is ever on and not adjustable, and I only can adjust the water temperature switch turning left to decrease and right to increase. Whatīs the colour code of the ECUīs wire for the turbo pressure sensor? MY car is a Impreza GT turbo MY 99, EU spec.