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Can anyone tell me or have a diagram of where the rpm Tach wire is for connecting a window switch for nitrous setup?
See this under the LS1 tech forum. Note that there isn't a "tach wire" like the older engines since it is a regenerated output from the ECM but it should work with most devices. Make absolutely sure that your connected device doesn't put any "garbage" on this line or it will create a lot of issues. I would double check with the company that is providing the hardware for your nitrous setup to get their information/experience on signal tap off with the current gen small block.
08-22-2017, 04:48 PM
