Re: When I switch off my car, the pump goes on even the switch is off ion the gauge.
This weird...
The entire HFS-3's power in control is activated by the red wire of the grey connector. As far as I know, the fuel injector (+) should not be "live" when you switch off the car.
Is your car a factory standard.
Just to certain, can you check the injector(+) for me to ensure there is no 12V present there when you switch the engine off.
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Richard L
aquamist technical support
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