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Trim sender
115 pro xs ct sn 2b489799. The trim gauge is on the 1/4 up mark when the engine is all the way down. Is there any adjustment to calibrate the gauge?
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Mercury 3L/4 Stroke/Verado Moderator
If you are using an ANALOG trim gauge, there's really not any significant adjustment at the sensor. You MAY be able to remove it, reinstall it, and see some difference in the reading.
It may also be possible to improve this by removing the tri-lobe pin, rotating the cross-pin 180 degrees and then installing a new Tri-lobe pin.
Keep in mind- if your trailer or the ground interfere with full-down travel, you won't reach full down on the gauge.