The wiring of a hydraulic trim tab system can seem more daunting than it really is. You need to make sure that you understand that the buttons for the trim tabs will operate the opposite trim tab.
There are really only two standard systems when it comes to the wire colors used. And then based on those wire colors, there are really only two types of hydraulic systems, being whether there is one or two trim tab pumps.
Knowing how each of these systems work will allow you to wire them up properly. Here are the main things that you need to know in order to wire up a hydraulic trim tab system, as well as some links below to the most common trim tab system diagrams.
Other relative course lessons:
Relay Basics: https://www.bornagainboating.com/courses/relay-basics/
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