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I have some crimpers, I think I got from Seeed.

I have had trouble using them. The pins are so small, you have to have every thing perfect.

You can smash the pin or it turns sideways? You got to have good eyes. And the stranded wires can not be frayed.

One thing, I use 26 Ga. wire, I got hundreds of feet in 5 or 6 colors.

I have had wires bird cage (fray) while trying to crimp, so I always TIN the wire to hold the strands together. That breaks the no-solder rule.

For the solder method, I use a needle nose and crimp with a roll motion the 2 sides. Solder real quick, and when cool crimp the top strain relief.

Don't do the top Hot, it melts the insulation.

If the solder wicks ups to the top, the wires will break from use. So, just a quick solder job.

Soldering is bad for connector pins. The military and industry have developed crimping on just the wire to cure the problem of work hardening and then breaking. So only us Hobbyists can get away with it!

Mike, WA6ISP

Here's a web page I put together a few years ago on Molex connectors. They are pretty universal.



Leonard
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