Making EFI harness. Any hints?

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How do you go about making sure it removes easily? Just make sure it's not all intertwined with other parts, or something else?

Right now I'm planning on having it come up as one piece near the distributor, then split to the right and left sides of the intake. Obviously it's going to pick up the injectors on each respective side, and then it'll run to whatever is nearby.
For instance, the CLT is on the driver's side, while the TPS and IAC are on the passenger's side. Seems simplest to have each tied in with the injector wires on each side.

Of course, I could do it the other way, where the harness only splits off to reach individual connectors, so it would be run in a "U" shape around the intake.