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Originally Posted by zainali
how come we have two red-black-yellow wires in one pin on the relay_pwm wire?
can we cut one of the pair if we dont want one????
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It's a "Y" cable. It allows you to send the same commands to two different devices from one relay, digital out, etc.
Just don't connect the second connector if you don't want to use it.
If you do cut it make sure the exposed wire ends don't short out.