Question How should I troubleshoot my trimmed Wii?

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Sep 17, 2026
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Hey guys, I just attempted my first boot test and realistically didn't get a signal. I was just wondering what are some methods of identifying where I may be having shorts or other problems so that I may address them. I'll also provide my wiring so there is additional context as to what I've done this far. I would also like to add that my 21700 battery is at around 3.5V.
 

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Hi,first you need to put at least two grounds wire from the wii to the PMS
 
Awesome was able to get those ground wires on and I had mistakenly sautering my green 3.3v wire to ground on the PMS. I got a successful boot
 

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Awesome was able to get those ground wires on and I had mistakenly sautering my green 3.3v wire to ground on the PMS. I got a successful boot
Congrats on the boot! Make sure to use flux while solder to ensure the best connection/joint possible.
 
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