How to connect a 4-wire to a 2-wire USB. If you want to wire a 4-wire USB cable with a 2-wire USB cable and Vice Versa, then you cannot use it for data transferring; it can only be used for charging purposes as the other two data cables, for data receiving and sending will stay without any use. Here are the steps:
This should help you regarding what the wires were for in your original Dell charger cord. My Dell power adapter (65W version) had a mechanical fault at the USB male connector shell (bent from internal PCB). I cut open the Dell connector to check the wiring on the PCB at the USB-C connector. It has the same red, white, blue, black wires.

A bypass capacitor is required between the Vbus and ground pins in the USB Type-C plug side of the cable. The bypass capacitor shall be 10nF ± 20% in cables which incorporate a USB Standard-A plug. Shield and all GND shall be connected within the USB Type-C plug on both ends of the cable assembly. Maximum cable length is 2 meters.

USB-A cables have been around for ages and offered support for a long list of USB standards (USB 1.1 through USB 3.2), and the data transfer speeds for these standards started at 12 Mbps and All cables are the USB 1.1/2.0 types. A typical printer cable is USB 1.1/2.0 Type B. I used this guide to figure out what sort of USB connectors and cables I needed. An adapter can be used to convert a USB cable between these types if you don’t have the right cable available or want to share a single cable between multiple Arduino boards.
For the full explanation, first, we need to delve into how a USB connector/cable is wired. With a basic USB 2.0 cable, you have a ground (GND) and a +5V (VBUS) for power. You also have a D- and D+ for data. I'm not going to go into the data lines here, since the question is addressing power. There's really two and a half types of USB Y cables.
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    • how many wires in usb c cable