Here is how I installed my Devils own stage II progressive water methanol injection kit.
Mazda-Speed.com :: my Devils own stage 2 water meth injection kit (mazdaspeed mx5 how to)
When my ignition is first turned on, one of the controllers LED's blinks 2 times (yellow) and another LED comes on & just stays on (red).
GM 2 bar MAP sensor
A black wire is ground
B green wire is signal wire
C grey wire is input wire
Pink controller wire connects to
cigarette lighter power wire.
Blue controller wire connects to
pumps positive wire (red).
Grey controller wire connects to the
GM 2 bar MAP sensor (grey) input wire.
Green controller wire connects to the
GM MAP sensor signal wire (green).
GM MAP sensor ground wire (black) connects to a ground point on car.
The pump comes on when boost pressure reaches the pressure that the controller is set to come on at & pump comes on full when boost pressure reaches the pressure the controller is set to come on full.