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Crappy pic, but you get the look of it!

Not sure why you need a screwdriver as mine is just a dial.

Here is a picture taken during the fitting of a Jabbasport variable boost controller to my car. The circuit board visible just left of centre is hard-wired to the back of the fusebox and the engine ECU. The black lead hanging down from it has the variable boost control nob on the end. Is this what you fitted to your car and how did you know how to wire it up? The controller allows infinite variation of boost between the remapped figure and near standard boost.

it sounds like you have something completely different to the jabba progressive boost controller there mate

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The boost controller relates to 2 maps...one for max boost and one for minimum...the parameters are then varied in between.

Shouldn't fluctuate....best to talk to Jabba...if it's a fault with the controller they are very good and normally replace FOC....obviously depending on the problem.

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