There are many good ways to restring your guitar. Electric and acoustic are about the same depending on the mechanics of the guitar. The acoustic uses pegs to hold the strings by the bridge as electrics have a metal grid that holds the string. Some as the inexpensive guitar I own, have you pass the string through the back of the guitar.
I have always taken off all the strings so that I could clean and polish the guitar and fretboard.
Many teach that you should only change one or two strings at a time and keep the tension consistent. Honestly, I felt guilty but took all the strings off for years without a problem.
The video I will share is from Martin Guitar and the way they have restrung guitars for years. They also take all the strings off and clean and polish the guitar, I feel vindicated as they too say that the guitar does not self-destruct or go into a warp. Please check my “how to properly care for your guitar” page.
Seating the brass connector correctly with the bridge pin is important. It will stop string movement and bad tones. This is covered in the video. I also add a small drop of lite weight sewing machine oil where the string meets the bridge and the nut. Reducing the friction when tuning will stop many string breaks. This is not covered in the video.
I would take the string and pull it snug. I would then use the width of three fingers to get the space for the wind. At the end of three fingers, I would add a complete bend. I then pulled the string back so that the bend was at the guitar side of the hole in the machine tool.
I would bend the string in the opposite direction on the other side of the hole. This would give plenty of revolutions on the key to the string. I use a winder that is cheap to buy and wind it from the inside of the headstock. I keep tension with my finger on the string as I wind.
Don’t be afraid to pull on the strings before they are completely tight. This will take some stretch out and help them stay in tune better. When you tune it is good to tune your sixth string to a pitch pipe so that your guitar will be in pitch with other instruments. I use a tuning device that is also a chord finder. If you have an electric pickup on your acoustic guitar you can plug into the tuner. There are also tuners that clip onto your headstock.
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Since I watched the video from Martin Guitar I may change some of my methods and I encourage you to watch it also.
Martin Guitar video