I wouldn't think the mag would have anything to do with a battery drain since a mag isn't powered by the battery. Instead I would probably go for the voltage regulator. Connect a test light in series between a battery cable and the battery post. If the test light lights up, then you have a drain. If not, then you probably have a battery with an internal drain. If you have a lit test light, then start disconnecting wires, one at a time. When you disconnect the circuit with the drain the light will go out. I would probably start with the wires to the VR. The VR contacts can stick, causing a drain. Hope this helps.
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let�s make one more addition to our series on hydraulics. I�ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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