How to determine +, -, and data on commercial spot lights

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I recently purchased some RGB LED spot lights from Amazon. I had to add an extension so I could place 2 of the 3 where I wanted - luckily they used XConnect connectors. Because I added the extension, the one light before the extension works fine, but both lights after the extension don't work as expected. I have tested the wiring and it's all good, and they all work if I put the extension in line before all of the lights.

So I purchased a signal amplifier booster, but I'm not sure which wires are which. Is there any easy way to figure that out without damaging anything?

Thanks!
 
Which light did you buy?

Doesn't sound right that they work in front of the light but not between two lights. That is kind of weird. Continuity tester should tell you which two are plus and minus leaving the other as data. Once you determine which are power, you can test those two pins with a multimeter and it will tell which is plus and minus. If you want to be certain, the manufacturer would have to provide some support or you need to open one of the enclosures.
 
Go back to the vendor, research them, call them if you can. Bulldog them. That is a required documentation deliverable whenever you ship a product. Most likely it's the same pin out as standard 12v xconnect pixels.

The more I hear about ws2811 floods, the more they sound not worth it.
 
The more I hear about ws2811 floods, the more they sound not worth it
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They can be a pain. My newer floods are 30W 2811. Because they use so much power, they don't do well chained together. I tried a power injection scheme but that caused them to flicker badly so I just home ran them all back to the controller since I had enough ports. Two up on my roof I had to use a #12 to not get so much voltage drop that the second light in the chain didn't constantly flicker.

I'd be (more) OK with them if they had separate power wires and just got the signal from the xConnect. But honestly I think DMX is just easier. I still use a lot of that too.
 
i have 10W ws2811 floods from Raywu, and mine daisy chain without problem, are the ports set to have multiple Pixels per port ?
how are they setup on the controller ?
 
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