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For wiring up a relay board you’ll just need the fuel pump wire
modern onboard hardware
as well as YourDyno dyno controller are supported
Speed density or Alpha-N
many 4Runners and pickups
MegaSquirt 3 ECU with MS3X Expansion 14point7 For wiring up a relayImportant Note: Due to supply chain challenges and the lack of ability to have parts anodized at this time, we are transitioning to brushed silver enclosures. We appreciate your understanding. The MegaSquirt 3 with MS3X expansion arrives equipped with features surpassing MS2 & MS1 systems, like sequential fuel & spark, 2 step, progressive nitrous, boost control, onboard traction control & much more! MS3X paved the way for the powerful MS3Pro systems
