Egsleeper Posted August 17, 2022 Report Share Posted August 17, 2022 Im about to do my cop conversion on my turbo lsvtec setup using a pluginx g4x . I am using K20 coil , I know where I need to wire my 4 coils to the ecu , ground and switched 12V source . But , Is there any simple method to wire the rpm ? Can I let it plug in on the ICM to make it work like normally ? Thanks -Sam Quote Link to comment Share on other sites More sharing options...
aerace_fab Posted August 17, 2022 Report Share Posted August 17, 2022 you need to use AUX output and an RPM converter. There's also a trick you can do with a relay to make it work as well. Quote Link to comment Share on other sites More sharing options...
Egsleeper Posted August 18, 2022 Author Report Share Posted August 18, 2022 Mmm rpm converter? For the relay method I think I found it on a old post, it’s called tach booster on ebay or something like that? Thanks for the reply! Quote Link to comment Share on other sites More sharing options...
Adamw Posted August 18, 2022 Report Share Posted August 18, 2022 rpm converter = tacho booster/tach adapter etc, this would typically be a commercially made product with a proper inductor in it. The relay method he would be talking about is a DIY circuit using a transistor and a coil out of a relay, usually works but not always: http://www.brumster.com/index.php/hacks/4-driving-a-high-level-techometer-from-low-level-ecu Quote Link to comment Share on other sites More sharing options...
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