Quote:
Originally Posted by nkeene2022
This does work successfully. If you want it to always be closed and open only on command you just need the right relay set up. I actually have made about 5 of these for people who were interested in them. Mine is always closed when I start the car no matter what, until I click to open. I have also been able to have it open all the time and be able to close on command. You can get this to work either way. The major issue I am running into is "frequency noise". It is coming from the solenoid that controls the valve. I am not sure if it is just mine that is at fault or if others are having the same issue.
I am considering starting to sell them.
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Can you show how you wired it? I never did finish making mine.