How do i adjust the trim guage senders?

beason

Petty Officer 1st Class
Joined
Mar 15, 2011
Messages
338
99 sea ray with merc 3.0l I/O and alpha II outdrive. The trim used to be close, but has progressivly gotten farther and farther off. Now it only moves the last 1/4 or so of the gauge. I am pretty sure the sensors are new(ish) and have been replaced within the last 2 years. How do i adjust them?
 
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