Pull the battery connection wires that go to the 2-pin amphenol battery box connectors through the middle port.

Pull the battery connection wires that go to the 2-pin amphenol autosampler batter connector through the bottom port.

Pull only the portion of the autosampler wires through the top port that has the signal wires (e.g. the bottle count and pulses).

Twist the outer side of the port down until it fits snuggly around the wire.