Editing Step 25 —

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The extruder motor connector (4-pin red, green, yellow, blue wires, exiting the X tower wire bundle) is keyed and will only connect in one direction in the "E0" location indicated in the photo.

Newer machines will not have a white connector as shown in the photo. They will have the same black 4-pin connector as the other motors, and will install the same way those do but in the "E0" position.

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