dand666 Posted June 2, 2020 Share Posted June 2, 2020 (edited) Hey wonderful people, just a bit of advice. I have a old 04 Deluxe P bass, it used to be active, also use to have a Humbucker at the bridge, however I got this swapped out years ago for a single coil so it’s currently a PJ setup. **This is now not Active** Looking to maybe add another single coil for a Humbucker on the future, however after opening up the bass I got a little confused with the wiring. it seems that Pot 1 & Pot 2 are the volumes for the relevant pickups, however why does Pot 3 and Pot 4 have a link in them? They are tone controls for the pickups right. How come they’re linked? proper n00b question I know but would love to start doing my own wiring. I can solder and use a multimeter 😃 ****The hand drawn pic Of the wiring does not contain all of the Ground Wires (Didn’t wanna clog up the diagram). But they all seem okay.**** Thank you all so much! Edited June 2, 2020 by dand666 Added text Quote Link to comment Share on other sites More sharing options...
KiOgon Posted June 2, 2020 Share Posted June 2, 2020 (edited) No link between tone pots required have a look at this drawing. Leave out the switch by joining the red and blue wires shown straight to the jack. John https://guitarelectronics.com/2-humbuckers-3-way-toggle-switch-2-volumes-2-tones/ Edited June 2, 2020 by KiOgon Quote Link to comment Share on other sites More sharing options...
dand666 Posted June 2, 2020 Author Share Posted June 2, 2020 I can't test the pot at the moment as I have no strings on, but am I right in thinking that both of those pots will do the same thing as they are linked?? Quote Link to comment Share on other sites More sharing options...
robertg43 Posted June 3, 2020 Share Posted June 3, 2020 All you have is 2 volume pots 1 and 2 pots 3 and 4 do nothing. As you said it was a active bass where it had 4 holes in pickgaurd & output jack in the body of the bass like a Les Paul etc. When it was active it had 1 volume ( master) hole number 1 blend pot so you could have p by itself j by iteslf or a mixture in hole number 2 a stacked pot with treble and bass in hole number 3 and a mid in hole number 4 so the 2 last pots are just hole fillers . Like its been said you could go 2 vol 2 tones or 1 vol 1 tone 1 balance pot and a hole filler Quote Link to comment Share on other sites More sharing options...
Geek99 Posted June 3, 2020 Share Posted June 3, 2020 13 hours ago, dand666 said: I can't test the pot at the moment as I have no strings on, but am I right in thinking that both of those pots will do the same thing as they are linked?? Tap the pup with a screw driver when connected to an amp ? Volume changes and tone changes a bit so you can tell Quote Link to comment Share on other sites More sharing options...
BassBunny Posted June 3, 2020 Share Posted June 3, 2020 4 hours ago, robertg43 said: All you have is 2 volume pots 1 and 2 pots 3 and 4 do nothing. If you look carefully at the 2nd photo, there appear to be capacitors on pots 3 & 4. These aren't shown on the drawn diagram but it looks like an attempt at rewiring as VVTT but someone's made a bit of a hash of it. Quote Link to comment Share on other sites More sharing options...
dand666 Posted June 3, 2020 Author Share Posted June 3, 2020 (edited) Yes there's capacitors on 3&4. So atm, it's literally just 2 volumes and 2 for show? Might send it to someone to reconfigure unless I can do it myself? Ideally I’m happy to have one pot for show, so be good to have VVT if that’s possible? can anyone see what I need to do to achieve this? Edited June 3, 2020 by dand666 Quote Link to comment Share on other sites More sharing options...
BassBunny Posted June 3, 2020 Share Posted June 3, 2020 John, @KiOgon, is your man. 1 Quote Link to comment Share on other sites More sharing options...
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