2641, RE: Megasquirt 3 Wire Install? Posted by DarkOne, Dec-31-69 06:00 PM
The only external connections mine has to the factory wiring are crank position signal (tach), battery power, and a switched power source to turn the unit on with the car.
You still have to build a wiring harness for it, which includes injectors, ignitor, coil, TPS, coolant and air temp sensors.
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