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Originally Posted by sunbeast  actually trace what the switches are doing |
I think this is really good advice. I had a really hard time getting my head around these diagrams until I did that. Here's a diagram that shows the three states of the switch a three-way DPDT switch:
A two-way DPDT swtich works exactly the same way, but has just the top and bottom settings--not the middle.
The stock and mod diagrams all use a 4PDT switchs. You can think of those as two DPDT switches, one on top of the other.
In the stock diagrams it's a two way switch, so in series middle poles connect to right side poles. In parallel, middle poles connect to left poles.
The mod you want uses the three way--which adds that middle state (top-middle connects to left-side, bottom middle connects to right-side). Again, for the 4PDT switch think of the top half of the diagram as one DPDT and the bottom half of another DPDT.
I did not really understand the mod (or stock for that matter) until I traced it out three times--one for each state of the switch.
I realized that 90% of the people reading this don't need to go to such lengths to understand the diagrams...but borrowing my 3 year old's crayons and doing it in color really helped me ;-)
