Strange pot problem

[bgoldca]

I bought two new 550k pots for my Gibson LP and installed them last night. (Well one of them anyway - I broke off one of the lugs trying to bend it to the body). So this pot tests perfectly before installation. Reads 0 on my meter when off and around 504 when fully on. But once installed the volume doesn't work. It goes down until about half-way and then goes back up again. as I approach 0. I disconnected the pot and re-tested and got the same (good) result. What could cause this? A bad pot? Seems unlikely. I verified that it's connected correctly and even re-soldered the top lug to the casing with a separate wire.

 

[DavidRavenMoon]

If it’s wired correctly you might have over heated it when soldering it. Is the back of pot wired to ground?


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[ehdwuld]

Ground not connected
acting like a tone?

Ground not connected

One more time

Ground

Not

Connected