This is for my repu but is the same process as the fb swap.
im actually just running the stock fuel injection with no turbo since the turbi is way out of spec.

I printed out the control unit (ecu) pin out list and went to work.
i must say if your not a patient person it can be very frustrating and time consuming.

heres where I'm at just need a little direction on somethings otherwise when i eventually find my answers in the diagrams ill post it.

ill post up where i get my info from another time.

 

Bro,
PM RotaryDave2006 from the West forum. He has done it over a dozen times. I have the complete S4 TII harness (the entire car harness and every pieces to it too, uncut) but its too late to be digging in my pile of junks

 

cool thanks mate appreciate it.

 

the yellow/blue wire goes to your tach

as for them being the same its because on the second gen rx7 there was another plug in between that was on the transmission harness,which ran power from the battery to starter.look at picture way at the bottom.

the plug itself only has two wires,one which is a 12v and the other is the green/yellow.

the two black/yellow are 12v, the others you dont need.
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here is the pic of the two plugs you need.

 

thanks dave.

so checking the battery/tranny harness i found the pulgs awsome.
i had a good felling about the trailing wire

for others heres the link to the factory service manual.
http://www.cochran-racing.com/FSM/s4/index.html

 

if you have anymore questions just pm me since i dont come into the first gen section as much.

 

the red dots are things i didnt remove there just for my t2 tranny and the checker.
black dots are what i removed


how bout the question marks can they be removed.

can i remove the circled things? i left the twin scroll wires on thinking it operates the turbo.

 

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yes it is

 

on the plugs that connect to the main relay 1 plug has 2 wires black is ground,black/white is ignition.the other plug has 4 wires white/blue and black/green these are 12v from the main fuse box,black/yellow and black/white go to the big yellow plug on the engine harness.
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the last few nights i spent alota time on labeling the plugs and checking where they go.
been looking for the diagram on the knock control box need to figure that one out.
trying to weed out the rest of the unnecessary wires from the ems harness
still un sure if i need the twin scroll solenoid and the other ones?

i spread the whole harness across my floor to get a total overview of things to see what went where.