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Originally Posted by Astronouth7303
I still don't understand the FET, but if you switched a PWM cable, you would swap ground (Black) and signal (Red). That would mean that there is no + on the + side of the LEDs, correct?
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Nope, The red wire (+7.2v) is in the center, so that is always going to be connected to the + side of the LED.
The Black (Gnd) and White (Signal) are on the outside.