10-23-2016, 06:13 PM
(10-23-2016, 03:14 PM)bestgenman Wrote: The "little bulbs" are diodes. When the coils on the valves are turned off , there is a spike of voltage as the magnetic field collapses. These diodes help preserve the switches from the spikes.
In that bundle there were wires connected without a diode, so could that cause any issues that I should keep a lookout for?