For some of you this may be a no-brainer, but for others (like me) who don't get the opportunity to de-pin factory engine harnesses all the time, I figured I would take the opportunity to show you how to "properly" de-pin your harness.
Since I went single turbo there are A LOT of unecessary plugs that get left unplugged once you start taking things away like emissions and twin turbo control solenoids. There is a write up on the big board and describes the process as:
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taking a pair of needle-nose pliers and grab the wire as close to the plug as possible with the pliers parallel to the plug. Next I rotate the pliers opposite direction from the plug and pull the pin out of the plug. See below.
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DO NOT DO IT THIS WAY!!!!
This will cause the wires to mostly rip from their crimped pin and yes you'll technically have it removed, but it will leave frayed pins left in the connector. There is a much easier and cleaner way to get them out.
First the tools you'll need: A eyeglass screw driver and one of your hands
Then with the small screwdriver lift open the flip tops that hold in the wires. You'll see on the sides; small little tabs holding the flip tops down.
Next, look in the face of the connector and you'll see in the big hole a small little tab.
Then take your small screw driver and insert at an angle applying pressure to the bottom of the tab inside of the connector and lift the tab up. Basically you're prying up the yellow tab. As you are holding up the tab take your spare hand holding the wire and pull back allowing the pin to slide right out.
Voila! Done and you have a clean uninstall! Look at all those re-usable wires and pins!
Also re-usable are the connectors and they are really hard to come by. Oh yeah these yellow ones are exactly the same on a FC as on a FD.