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New Build - Carved Top Soloist Super-Blues-Strat

Nice work! That's the way to do it. Mil-Spec wiring for the WIN :-)
Heh - next time, I’ll lay in a stash of -999 connectors and really hit the MIL-SPEC button hard! (but…it would definitely be a weird but cool look to attach the guitar to the amp with a triple-niner connector screwing onto the guitar!)
 
Good write up, but it may also be worth posting the part numbers / specs of the DuPont connectors.
I didn’t research these connectors by part number and spec; I did some online searching about what kind of connectors EMG uses and eventually got to the phrases “DuPont connectors” and “Molex connectors”. It turns out there is some overlap between the two, but if you’re trying to create connectors that will work in an EMG solderless environment, or could be used for your own solderless interconnections, and work with the same wire gauges that EMG uses in their solderless system, you want DuPont 0.1 inch pitch connectors, and they’re easy to find without needing detailed part numbers and specs.

That said, this site has more information than you probably want about these things:

These things are used all over the place in Arduino and other home brew electronics stuff. You can find dozens if not hundreds of kits on Amazon that have hardware that appears indistinguishable from what EMG uses. Here’s an example of a representative kit from Amazon:


Many kits come with a generic crimping tool that works well enough, but if I were doing much more than the handful of interconnect cables I’m doing, I would try to find a better crimping tool; that said, really good crimping tools for these can apparently cost into the hundreds of dollars. The cheap one my kit included does tolerably well for the cost.

And as I said earlier, you can find plenty of informative videos on how to best crimp these things; here’s an example:

Immobilization of the connector in the crimping tool, prior to feeding in the wire, is the key step.
 
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Next steps this weekend: verify continuity of the interconnect cables I built, solder the free ends of the connector wires to the appropriate pot lugs or grounds, then put the new pots in, connect them to the existing EMG interconnects, and test it out!
 
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