One end of the cap should be on the wiper{center} of the tone pot, and the other end of the cap should go to ground..One end of the tone pot should be to ground and the opposite end of the tone pot should be jumpered{direct}to the ungrounded end of the Volume pot..At least I think thats the correct wiring..

Reversing the ends that are grounded on the pots reverses their rotation direction..
http://www.provide.net/~cfh/p90.gif
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Jerry Wallace-2001 Zum: D-10,8+6, "98 Zum: D-10,8+8,Nashville 1000,Session 500 ,Session 400 head only amp,Tubefex,ProfexII, Artesia, New Mexico
http://communities.msn.com/jerrywallacemusic http://www.jerrywallacemusic.com

[This message was edited by jerry wallace on 01 May 2002 at 11:12 PM.]

In this diagram, the cap is between the volume and tone pots, with the resistance of the tone pot opening and closeing the caps path to ground..

I think the way I described in my earlier post will also work except one end of the tone pot should be open/ not used, rather than grounded..
In one instance, the cap is in front of the pot resistance and in the other instance, its behind the pot resistance..The results I beleave will be the same..

I hope this helps..

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Jerry Wallace-2001 Zum: D-10,8+6, "98 Zum: D-10,8+8,Nashville 1000,Session 500 ,Session 400 head only amp,Tubefex,ProfexII, Artesia, New Mexico
http://communities.msn.com/jerrywallacemusic http://www.jerrywallacemusic.com

I do not know what is wrong with your tone circuit. But I will tell you this.

The tone circuitry used in most steel guitars is extremely simply. Just 2 parts--a pot and a cap of varying values. (In a few cases like Emmons' there is a disconnect switch that removes the 2 parts from the circuit if desired).

Also, it makes no difference whether the cap is before or after the pot on its way to ground.

Now using these simple facts, do some experimenting.

1. Remove the pot and cap connections from your guitar.

1. Take a new pot (500K is ok) and a new cap (.05mfd is fine), put them in series. Use the center and either end of the pot. Connect one end of this pair (pot and cap) to ground. (Don't install this pair. Just leave them hanging in the air as you do this and the following).

2. Connect the other end of this pair to the hot lead coming from the pick up.

3. Pick the strings.

4. Turn the pot and you should hear a decided change in the tone of your guitar.

Now using this, trace the circuitry of your pot and cap that is in your guitar.

You should quickly be able to find the cause.

Here are some possibilities, but they are just that. They may have nothing to do with your problem:

1. The pot in your guitar is shorted to ground.

2. The cap is shorted, partially shorted or open (defective).

3. The connection to the pot and/or cap is NOT making contact, EVEN though it appears that it is.

4. The connections, to or from the pot and cap, may be touching ground. Or, open.

God bless you in your attempts,

carl

[This message was edited by C Dixon on 02 May 2002 at 08:37 AM.]

You will solve it Im sure. These fellows gave you good advice.....one of the suggestions will do the trick. Thats a killer
guitar you have there. be well my friend.

Edited.....if you want a fast change and shark bite use a 1 meg pot with a .05 cap.
It will untie your shoelaces.

[This message was edited by Jody Carver on 08 May 2004 at 06:15 PM.]