Lucky wrote:
I bought a replacement potentiometer for my Kenwood R-5000 part #
R19-9405-05 It's the the dual IF_Shift/NB dial.

The problem is, on the old part, it only has 2 connectors on it for the 2
wires for each poteniometer. But on this new part, there is 3 connectors for
wires.

Provided that it is indeed the right part:

There's left, middle and right. One of the wires on the old part is on
either left or right (and the other is missing, as you say); connect it
to the same side on the new part, i.e. if it was on the left terminal
on the old part, put it on the left terminal on the new one.

Then connect the other wire, which was on the center terminal, to the
center terminal of the new part, AND to the unused terminal.

Normally you'd leave the third terminal unconnected; this would give
you the exact same thing you had. But connecting the unused terminal
in this way tends to reduce the effects of dirt in the potentiometer,
i.e. when it gets noisy it'll get less noisy.

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