Aftermarket fuel gauge

RedFish said

Wrong, all of Chryslers gauges and senders operate on 80-10 ohms range. The problem we run into is the aftermarkets replacement fuel senders. Although correct at 80-10 range, they are linear so they don't work right with the OEM gauge. So if you do use one of those senders, you'll need the addon Meter Match unit to calibrate the OEM gauge to it or aftermarket gauge that can be calibrated to it. Good luck

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Help a brother out here. I see "linear" thrown around a lot referring to gauges sometimes. I "assume" that to mean that as the (lets say float arm on a fuel sender) moves from one extreme to another, that the resistance reading does not coincide with how the arm moves. So I guess if the Chrysler units are "non linear" I guess that means the sender would move the needle "more" or less" in different places of travel. Am I think right on that?