# N20 and RPM "window" switch.

**URL:** <https://forums.speedlife.net/t/n20-and-rpm-window-switch/11803>\
**Category:** NYSpeed Automotive\
**Created:** [May 9, 2006, 9:40am UTC](https://forums.speedlife.net/t/n20-and-rpm-window-switch/11803 "2006-05-09T09:40:39Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![drvnkd](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/drvnkd/32/109615_2.png) [@drvnkd](https://forums.speedlife.net/u/drvnkd)\
**Post date:** [May 9, 2006, 9:40am UTC](https://forums.speedlife.net/t/n20-and-rpm-window-switch/11803/1 "2006-05-09T09:40:39Z")

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anyone using one of these?  
[http://store.summitracing.com/egnsearch.asp?Ntt=msd+rpm&N=4294849264+115+4294781653&Ntk=KeywordSearch](http://store.summitracing.com/egnsearch.asp?Ntt=msd+rpm&N=4294849264+115+4294781653&Ntk=KeywordSearch)

Is it as easy as it seems…?  
I would really hate to mis-shift and break things…

K&S has one for $100, but I don’t know witch one…

any comments?.

edit: would I be better off switching the power to a Zex box, or  
the TPS signal line?  
edit2: It would be used on a DIS GM 2.4