#1
So the jack on my bass wasnt working properly. I took it out tightened everything and wired it back up but it still didnt work, so its bust. The input jack on my old bass works fine, if i just swap them, will it work?
#2
Ya...as long as they are the same type of jack (eg. both are mono or stero).

Just make sure you wire the new one the same way. Ya know hot to tip ground to sleeve.