Is Pledge good for cleaning guitar strings with? Just the strings, not the fretboard..
Dude, pledge is terrible for both the strings AND fretboard.

It'd be best to stick with cleaning agents recommended for a guitar.
Jackson DK-2 [2004 MIJ] (EMG 81/SA)
Jackson RR-3 [2007 MIJ] (EMG 81/60)
Ibanez RG370DX [2009] (EMG 81/60)
Epiphone Les Paul Custom [2004] (EMG 81/85)
Ltd/Esp M-17 7-String [2013] (EMG 81-7 set)
Bugera 333XL 120watt Tube Head, Crate BV412 Cab
ok thanks for the feedback i know that the dunlop cleaning kit is good but I know that my uncle uses pledge for his strings and he said it works great.