Now youre all done with Crank angle sensor, and all 8 injectors YAY Lets move onto ignition. I used a 10-12 ga wire, its probably overkill but it will work.ĭo this for both sides Remember the INJ1 INJ2 green and blue wires You need these now.Īgain, since its batch fire, one side is for one injector, the other is for you guess it, the other bank. Take one banks pink wires (all 4) and run a power wire to them from the fuse box.
So in this case, my power wires were farthest away from the snap clip, so thats where I routed my power wires, and signal wires to the other. When power is on (key on), and signal (from pcm) sends ground to injector, it opens. I put the injectors in half assed and set injector wiring on it (note, wires havent be loomed or routed to not look like butt. It helps to have your intake pulled where you can set it on a table or work bench and mock everything up. I cut this off the donor harness as it makes it easier to visualize how long they need to be, and it also helps keep colors somewhat coordinated.Įither reuse the factory connectors (this was off a truck, if you plan to use truck injectors), or switch clips to these (newer style ford clips I think ev6 is the name) Now, go grab a soda, beer, sweet tea, because your probably thirsty. This goes to yellow wire on the crank sensor pigtail. Note, my pin 1 is soldered like complete, ill probably go back and fix it but you get the idea.Īdding these jumpers are for the correct signal for crank sensor and adding two additional circuits for a v8 in wasted spark ignition Put the case back together and look for vr1, this is a shielded wire, but all that is attached is the red wire. Start by taking a 1k 14watt resistor, and attaching the leads as shown. Open it up On the back you will see pins for each piece of the MS harness. I also clipped off the whole injectorcoil harness from each side to give me a rough estimate on length to get going. Start by just reviewing what all is needed for the Microsquirt: Required: Microsquirt MS harness Map sensor pigtail Coolant Temp pigtail Intake air temp pigtail Injectors pigtails x 8 Throttle position sensor pigtail Coils pigtail x2 (bank harness for lsx) Optional: 02 sensor (recommended) I ordered all of my supplies from EFI source.
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