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i was hoping to get some info on how a window switch works. I did a search and answered some of my questions but not all of them. Are the switches programmable in the way that you can decide the points at which you want to spray, like 3200-6800 or 3200-6800? And how do you actually go about changing the "window" that you want?
I'm getting a zex wet kit with a MSD window switch and was hoping to get a better understanding of it before it came time to install. Any links i'd appreciate. Thanks

 
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Yes they are programmable. You need to get the "chips" for which RPM's you want to engage and disengage. I believe the MSD comes with some, but you may need to order some separately depending on what RPM's you want to engage and disengage.

I am not sure exactly how you go about connecting it though. One way may be to connect it to your tach or RPM wire on the ECU.