FlashPro questions & answers specific to the 2006-2009 (US, UK, Asia) S2000
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I am waiting for a pin to arrive since Hondata does not provide the wiring necessary to add the pin (receptacle on B16). I am aware that I will run a wire with a 10A fuse to the solenoid from this pin but I am wondering where do I connect the ground. Do I need to use one of the switched grounds on the ecu and if so which one? There are a few. Or do I simply ground to the chasis?
All you need is chassis ground.