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CookPassBabtridge

Pickup/preamp wiring help

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Hi All,

I'm trying to wire a set of Seymour Duncan Pro-Actives (PJs) into an STC-3A preamp. I'm pretty confident with what I need to do apart from one wire coming from the pickups.

One diagram seem to imply that a red wire from the pups needs to go to the battery, and the other says it's the red wire from the preamp that goes to the battery. Problem is, there's no red wire from the pups, only brown. And I'm guessing they can't both go to the battery? Or maybe they do. Given the pickup diagram is for a passive system I'm guessing one possibility is I don't need the red/brown wire from the pups as the power will be coming from the preamp? Do I just tape over the brown wire and not use it? Or have I got all of this wrong.

Am keen to install this myself as it's tricky getting a luthier at the moment. So if anyone can help mitigate my incompetence that would be great!

Active_PJ.jpg

STC-3A_Wiring_Diagram.pdf

Edited by CookPassBabtridge

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Yep, the pickups aren't powered through the signal wiring, there's always a separate Plus (the red wire) and the Minus will be the ground.

This is a wiring diagram for the STC-3A, but with soap bars. In this example they're regular two-conductor, so wiring will be the same as your PJ-set. As you can see the red power wires of the pickups join the one from the preamp towards the battery:

2aSB_STC3A.jpg

Edited by LeftyJ
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Ahh thank you both! So @LeftyJ the brown wire from my pups is effectively the red in the above diagram, and I am soldering multiple (three wires) to the red from the battery - a brown from each pickup, and the red from the preamp?

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From the looks of it, yes :)

You could always send Seymour Duncan an email just to be sure, they seem pretty helpful. 

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