has anyone ever tried to make a start-stop switch? mainly for use at stoplights but it could be handy for eoc as well. since i'm about to install a radio and speakers i'll spend some time under the dashboard and need to get some supplies anyway so i might as well try this in one go. i'll place two buttons on the lower dashboard in front of the gear shifter, so i don't have to move my hand behind the steering wheel to the ignition key wich is pretty inconvenien. i like the look on peoples face when my engine seems to start the very moment when the car takes of.( wich goes surprisingly smooth actually wich makes me wonder if for a second of to the starter acts as a sort of hibrid system) although every once in a while it won't start fast enough and i look a little stupid.
yet i'd like your oppinion on what i plan to do.
one start stop button would be the ultimate cool, but since i can't see how that can be done in a simple and reliable way 'ill settle for 2 push buttons. i'd like to retain all functions of the original start key.
the starter is pretty straight forward i think, i'll just place a switch parallel to the original key swicth
the stop key poses an aditional challange. i intent to stop the engine by cutting power to the ignition (how else), most push buttons i find are of the ?make? rather han the ?break? type (making an electrical contac rather than interupting one) so i figures the only option i have is to get an additional relay that will invert the action of the swich. this system will be in line with the original system so i'm a bit concearned about safety here. it's no rocket science but still,
i'll probably be getting
this relay and
these buttons
and here's something resembeling a schematic of what i want to build
lunarhighway 
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