It’s very important that you have the right tool for the job. Your truss rod adjustment nut may have an allen key, a crosshead, a small brass nut or the rarer spoke hub type (as found on Stingray ...

While a lot of truss rod nuts for acoustic and electric guitars use a hex (allen) key for adjustment, Gibson electrics and Taylor acoustics use a nut wrench. The MusicNomad kit I'm using contains ...

If the gauge lifts the low E and is resting heavily on the fret, turn the truss rod nut anti-clockwise by ⅛ of a turn and check again. If the gauge rests lightly on the fret and touches the low E ...