I have an 86' with a carroll installed V1 kit.There is a rocker switch next to the gear shifter marked water injection.In one direction the switch is marked on/test ,the other way it reads off/alm.sil. When i floor the gas pedal on take off there is an alarm somewhere behind the dash and the only way to stop this is pushing the rocker switch toward off/alm.sil. Can anyone explain to me what this is for and why. Thanks Bob.