Originally Posted by VH5150
This is how I wired mine--one trigger wire, two relays. I still trying to figure out how to wire-up a DPDT(?) switch so that I can switch between either set of 2, or all 4.
Not hard to do but you need a diode to put across the feed lines so all four do not come on when you turn on two.
Run separate wires from the two relays to the DPDT sw.
Add a jumper from the two light position to the four light position with a diode in line positioned to restrict the flow from the two back to the four.
Which diode, not sure, try one and see what happens.
Shouldn't need a large value diode, not a lot of current there.
If you get the diode positioned wrong flip the sw or the wires.
Add some indicator lights...
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