Question I cant get a boot. And no voltages read when I use a multimeter

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Aug 28, 2024
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I feel like I hooked everything up good enough to start up my wii. Can anyone tell me what I'm doing wrong please? I'll attach some pics below. Any help at all will be greatly appreciated. Yes, I know my wires are a mess. Right now I'm just trying to get it to boot. Please let me know if I need to redo or change something
 

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The only major issue I see is that you have not disconnected the 1.8v voltage regulator. There are some trimming tutorials that say you can leave it in, but the bottom line is this: if you have a PMS-2, remove it, and if you have a PMS-lite, keep it. The easiest way I have found to remove it is apply some solder to the five pins, cut them off with a flush cutter, take off all of the pins one by one, then apply a good bit of solder to the other side of the regulator and heat that up while pulling up on the regulator. After that, clean everything off with some isopropyl alcohol. One thing I did notice was that your solder points do not look the greatest, and this could be an issue for when you need to wire to very tiny vias on the wii. Make sure that you have a good temperature controlled soldering iron (not something you got for 20 dollars) or else you will end up damaging components.

Also make sure your batteries are charged.
 
Even if you have a pms 2, you dont have to remove the 1.8v regulator, you can just not connect it to the pms 2 BUT if you have a pms 2 lite you need to keep it AND connect it to the pms lite, as it needs it as a reference voltage afaik. Also, the wii needs atleast 2 18650s in parallel to stay powered. Make sure that all the resistances are relatively close to the ones in the wii trim resistance thread. When measuring resistance, power everything off and disconnect the wii entirely from everything. Measure exactly like the thread says, put your multimeter leads exactly as described, otherwise you might get wrong values.
 
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