Note: you have to put the heatshrink on BEFORE you solder.Īnd with one magical flick of a cheap lighter, you have a brand-spankin-new USB-Molex power cable! So get some heatshrink (electrical tape works if your lazy/cheep/don’t have heatshrink) and a soldering iron out. Gee, I wonder what we are going to do with them Unless you are colorblind, this should be pretty easy: You want to keep the red and the black wire. Anyway, we now have 4 wires, and a shield: I’m going to put aside the "A" end for something later.
#Usb to molex connector how to#
I assume everyone knows how to cut a wire. I decided to keep the whole thing, and just cut off the "A" end. Since the "B" end plugs into your fun toy, we want to keep some slack on that end for wire management. It should look a little something like this:Īnd when you’re done, you are left with a beautiful 5v only Molex connector: The 2 wires you want to pull are 12v and the ground closest to 12v. So you push it in all the way, then pull the wire out from the back. The back (keyword, back, you don’t want ink on your Molex pins fits perfectly over the pins! imagine that. What you want out of that whole ordeal is the ink reservoir. no, ink color doesn’t matter) and get cracking: But I am way too cheap to buy a Molex pin remover! So grab a BIC pen (standard ball point. We don’t need the 12v pins they are just going to get in our way. (If you don’t have as big of a junk bin as I do, I would recommend something like this)
Let’s start this off with this scrap male Molex connector that was cut off from its female counterpart many moons ago. You will need 1 spare USB cable (with male A and B ends), an old male Molex connector (doesn’t matter where it is from) and: Let’s get down to business with the first way. For these less hard core modders out there, I have included a second, less intrusive way of doing this. However if you ever want to use your device outside of a computer again, then your probably not going to want to cut off the connector.
It will come out nicer in the end, and can be made to a custom size. If your device has a "USB-B" port on it (the square boxy connector on the non-computer end of a standard cable) -OR- if you don’t mind cutting off the "USB-A" (the one that currently plugs into the computer for power) connector, then you can use the first way. This guide will show two ways to make a USB to Molex power cable that will let you do just that. There comes a time in every modder's life when they find some cool, useless, USB powered trinket that they want to put inside of their computer without wasting a USB port. How to make a USB to Molex power only cable
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