Let's see your reverse lights (jackass blinders)

While Zorba's solution definitely works, assuming your Auxbeam output handles enough current to drive the auxiliary reverse lights, you don't need a relay - the Auxbeam has a solid state relay inside it already. All you have to do is wire your auxiliary lights to the reverse light wires at the taillights and to the Auxbeam output (both in parallel). That way, your auxiliary backup lights will illuminate with either the lead from the taillights or from your Auxbeam. Easy peasy:

View attachment 670722

Unless I'm missing something...

The original question - AS I UNDERSTOOD IT - was "how to convert a SPST switch into a SPDT output". But Hell, I probably missed something.
 
The original question - AS I UNDERSTOOD IT - was "how to convert a SPST switch into a SPDT output". But Hell, I probably missed something.

Yup, that's what he said, but I noticed he mentioned having an Auxbeam in the sentence before that, so I assumed he didn't literally mean what he said (that he was using a SPST switch). That's why I said "unless I missed something" - I was trying to interpret, as you were, what exactly was being asked. Together, we covered both options. Teamwork makes the dream work!
 
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The original question - AS I UNDERSTOOD IT - was "how to convert a SPST switch into a SPDT output". But Hell, I probably missed something.

Nope, you got it right. But that way is with a three position switch. Me and the other guy have spst(auxbeam). It was answered on post #68 how it should be done for me.
 
Yup, that's what he said, but I noticed he mentioned having an Auxbeam in the sentence before that, so I assumed he didn't literally mean what he said (that he was using a SPST switch). That's why I said "unless I missed something" - I was trying to interpret, as you were, what exactly was being asked. Together, we covered both options. Teamwork makes the dream work!

There’s more than one way to skin a cat lol

If anyone needs help figuring out how to wire them, please reach out. I’m happy to help!
 
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