Vintage Jazz bitza electronics

[patch006]

Hi all, 

I have an old poorly fender jazz made up of all sorts of aged bits. 
 
I need some advice on electrics. I think this was put in mid 80’s. 

pickups - 1976 neck / 1981 bridge

a monster of a active circuit board Questions -

Does anyone know about these active pre’s? 

Why is there only a single wire coming from the pickups ? 

Do you recommend  buying a prewired passive system to go back in or have this one refurbed ? 

cheers 

patch 

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Edited October 11, 2020 by patch006

[BassBunny]

47 minutes ago, patch006 said:

Why is there only a single wire coming from the pickups ? 

I presume the single wire is a screened cable. If you remove the outer covering there should be a single white wire, ( hot ), and strands of wire surrounding it which is the ground.

As to passive/active that's up to you. I guess you would need to track a wiring diagram down for the pre-amp, which if it's a Fender one, should be available from their website.

[basstone]

As you already have the active circuit, why not try it out. As noted above the single pickup wire is a screened cable. It should not be too hard to figure it out as its mostly prewired anyway. You'll need a 4 pot control panel or relocate the jack to the side of the body maybe? I guess it mostly depends if you have the confidence to experiment yourself or know a good local tech.

[patch006]

Hi , thanks for the replies. As the electrics are a bit crusty and don’t currently work I am going to get the pick ups rewound and marry it up with a John east J tone. 
it has a 68 neck and a unknown body that was butchered ( going to scar new timber in to fill )  to fit the 80’s pre amp and side jack , with a vintage badass bridge. 
 

It’s going to be a interesting bitza on steroids.