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Help me HybridZ, you're my only hope. First I have an Megasquirt 1 extra (MSnS 1) v3.0 board. No relay. Before trying to connect MSnS with my laptop it was running rich but working. I tried to connect to the 9 pin using a 15 pin adaptor and connecting it that way. After hooking it up I heard a whistling noise like the injectors emptying and saw the fuel rail pressure drop from 40->0. Afterwards I cannot connect to MSnS. I disconnected the laptop and tried to turnover the engine, no fuel pump noise either. I thought I might've blew a fuse, but they're all fine, and relays are good too. I took out the MSnS and visually checked for burns etc, it looks fine. I've been tracing wiring trying to find an inline fuse I might've missed. Has this happened to anyone else? Any advice on how to proceed? I guess it's time to buy that stim board.