Color Code White Wire Black Wire Blue Wire Laptop Charger

I just want to put a new electric plug on the end.

Color code white wire black wire blue wire laptop charger.

Which one to connect where. After connecting the wires make sure to test the voltage on the plug before inserting to the laptop or you might risk damaging your laptop. The red wire is marked in the adapter as v. Normal electricians use black red and white for wiring.

I am thinking these are live neutral and ground respectively. While powered the charger found red wire 19vdc white wire 0vdc black wire in the center pin for feedback to the board. The bad adapter has red white and black the other has blue white and black. The one on mine has blue white and black and they are.

What are the and ground. Question how to check the laptop charger. So i connected the white wire to the shilding wire and red wire to the core wire of the old 90w adapter s plug. White black blue for communication validate adapter and battery power it is best you use a multimeter to check.

In another forum someone identified the sensor wire and left it out in the connection. Why is this plug different. I have read that an extra wire is used as some kind of a sensor. How do i connect the wires.

Old wire has blue black white new wire has green gray white. The second adapter however has three wires going out. Apr 26 2019. I assume the hot wire is the yellow with the green stripe.

If you have the color red black white and green this post will teach you the corresponding color code for that. There are three wires in it black white and blue. The problem with your answer is that i have bought a new computer i only need the charger for a short time to get the info off the old computer. Dec 25 2012 3 090 104 24 440 470.