Non Neutral 3 way - Smart on one end + Aux

Switches Wiring Discussion
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1

Hey guys!
New user, just installed a 3 way and aux in another circuit that had a neutral and it was a breeze. Setting up a new circuit just opened the boxes and I don’t have a neutral. Wanted to know best way to set it up.

Here’s what I have

Box A (where I want smart white series)
Black - Line
Blue White - Traveller
Blue - Traveller

Box B (where I want aux switch to be)
Blue White - Traveller
Blue - Traveller
Orange - Load

I looked at the diagram and it looks like I need a 3rd wire, potentially to carry the load back. But please help!

2

After some searching I found someone else with a similar wiring - Red/Black/White wire in each box can’t figure out config

Going to try this, which is a little differnet to above (swapping location of aux switch) but we’ll see how it goes!

3

Update!

I did this wiring suggested above:

Aux in Box A
Neutral - Line
Neutral - Black White
Traveller - Black

Smart in Box 2
Black white - Line
Orange - Load
Traveller - Blue

And it all appears to work well! yay!