Dump Trailer Selenoid Wiring Diagram. Is that an actual diagram of your unit? Our team of professionals is here to help you learn how to locate the problem and understand how to perform different tests.
Using the Arduino to control the solenoid valve is simply a case of setting a pin high for the appropriate amount of time.
It's crucial to diagnose a trailer wiring problem early.
I drew this crude diagram to help explain. The original poster fixed his issue when he discovered he incorrectly connected wires. They do not send a wiring diagram in the box, no direction what wire does what, but you can find it in the description section on amazon site Works great so far, lighter.
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