Tone pot seems to only adjust volume (not tone) on Tele bridge pickup

Dead pu , or maybe dying....

 

I should add , please go through the usual wiring issues that shold be checked first , before changing the pu. Make sure you try to re flow the two blobs of solder on the pu , before they actually become wires on the flatwork

 

A simple measurement of the resistance between the blobs ( after reflowing ) will tell the tale

 

.....usually a sign of a short in the coil,rewind if its a vintage/upmarket P/U,otherwise a good excuse to shop around for an upgrade....

 

If you have both pickups on, does it seem to cancel sound out in some pot positions? pickup "hot" wire reversed? I say that, because from the "hot" ground, the tone knob would be passing resistance in series as you turned it. Thus making it quieter.