wanting to isolate injector/turn off/on

[naturalextraction]

For my system I need only one injector pulsing during operation. There are two injectors total at different two separate points of the system. Currently I utilized a three position switch to power on between the two from the ecu signals, not power. It occured to me this might and probably will through a code. I haven't tried it yet and currently finishing up the wiring and triple checking everything and trying to get some questions answered. Will I need to put a resistor on the side of the switch (dummy load) on the injector I'm not using or with this method of blunt "no connection" work? Your thoughts?

[24c]

For my system I need only one injector pulsing during operation. There are two injectors total at different two separate points of the system...

Is this like staged injection? Or is it Primary & Secondary?, so you have one injector say close to the inlet, and another further away, say above the throttle body, like you see in sports motorcycles?

[naturalextraction]

yes, so for now a manual connection/ determination. I still have to log values to determine when which one will be triggered when. I can't do that till I can get some test runs in.