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Pickups & wiring Discussion about pickup types, replacements, recomendations, switching, wiring diagrams and sustainer systems for ANY guitar, JEMs included.

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Old 08-31-2008, 03:12 AM
nickname009  is offline
 
Join Date: May 2003
Location: toronto, ontario
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SD blackout/VLX91 wiring help please!!!


Noob here!

Been struggling with this 90s 470S for quite sometime. It's got the infamous VLX91 5 way switch and I just finished attempting to install duncan blackouts. I basically just copied the stock pickup wiring diagram (minus the coil splits etc) to make it a 3 way-style. I'm getting bleed in positions 1, 3 and 5 while positions 2 and 4 seem to be the neck and bridge full on respectively.

I've been at this for two full days and I'm going insane!!!
Can someone PLEASE draw me up a quick schematic of how to wire the VLX91 for 3 way operation? Neck/nothing/neck+bridge/nothing/Bridge with 2 independent volumes


Very much appreciated!!!!

Last edited by nickname009; 08-31-2008 at 05:43 AM.
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Old 09-01-2008, 02:10 PM
frankfalbo  is offline
 
Join Date: Dec 2000
Location: California
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Re: SD blackout/VLX91 wiring help please!!!


I can't make the wiring diagrams or anything, but if you think of the VLX91 as four 5-position selectors, then you only need two. So one side of the switch is completely unused. Now you've basically got two 5-positions available to work with. Use one for the bridge pickup and the other for the neck pickup, otherwise they will bleed across. For your requested setting, you would put the bridge on "1" and "3", and the neck on "3" and "5". That will give you the setting you want. (6 is the constant hot)

If it were me, I would put the Bridge on 1, 2, & 3, and the neck on 3, 4, & 5. That way you'd have sound in all the positions. There'd be no "hiccup" between the settings. But maybe that's what you want.

Then you have to decide what you want to do with the volume knobs. This decision is based on what you want to happen in the middle position. When both pickups are on, do you want either volume to kill off the signal, or do you want to be able to turn one pickup down to zero and still have the other on? I would hit the volume pots first, in the typical Les Paul fashion. If you want to kill the signal, the pickup hot goes to the outside, and the middle lug goes to the switch positions I mentioned. If you want to be able to blend down to zero, then the pickup goes to the middle lug, and the outside lug goes on to the switch.

Then both of the hots from the switch could be jumped and taken off to the output jack. You could also hit the switch first, straight from the pickups, and instead of jumping the hots from each switch, you would send them to the volume, and jump the hots coming off the volume pots over to the jack. I hope it makes sense!
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Old 09-02-2008, 08:12 PM
nickname009  is offline
 
Join Date: May 2003
Location: toronto, ontario
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Re: SD blackout/VLX91 wiring help please!!!


frank
you're a godsend!
Just wired it all up, neck on 123 and bridge on 345 that way I get this nice smooth transition! Also did it so that it's 2 independent volumes so if one of the knobs were on 0, the other wouldn't be affected. Thanks!
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