Electronics Switch (HHO on/off)

[cabrera]

Here is a question for any electronics buffs. On my wife's car I want to put a switch to turn the generator on manually. Now ideally, I would like a switch that when the ignition turns off, the switch would disconnect to the off position and would have to be reset (or turned on) the next time the car is started. Does this switch type exist and if so what would it be called?

My reason for this is I want the car to default to running w/o HHO every time the ignition is turned off and the HHO must be manually activated each time.

[cabrera]

I'm not sure if such switch exist, but I did configure a system in the same manner you speak of. wire the system normally through the relay, then put a switch on the negative wire that way you can cut off the negative to turn the system off and turn it on the car is running. Once you the car off the relay is disengage.

Cool Thanx

[thedore]

like this use extra contacts for the load.

[cabrera]

like this use extra contacts for the load.

Appreciate it.