Thread: wiring solenoids
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Unread 16-02-2004, 23:02
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Re: wiring solenoids
If you want to avoid having a separate ground return wire, do it this way:

Connect the cathode of a 1N4001 or similar diode to one red lead. Connect the anode of another diode to the other red lead. Connect the anode of the first diode and the cathode of the second to the M+ terminal on a Spike, and connect both of the black leads to M-. This method has worked well for me.