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Post subject: Help With Pickup Wiring
Posted: Thu Oct 11, 2012 6:30 pm
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Hi guys. I finally got everthing I need to assemble my new pickguard. I have had problems finding the exact wiring diagram that I need. I have two Fralin single coils and a Dimarzio humbucker. I have a super switch, a 500k RS Guitarworks super pot, a 250k tone, and a 250k push/push tone, a .047uf cap and .001uf cap for treble bleed on volume pot.

what I want it to do:

position
#5 neck
#4 neck/middle
#3 middle
#2 middle/bridge
#1 bridge

2nd tone control up = splits humbucker to outside coil (parallel when in positions 2 and 4)

Image



Image

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2010 American Deluxe Strat Sunset Metallic - Lindy Fralin Blues Specials in the neck and middle, Dimarzio AT-1 humbucker in the bridge.
PRS Custom 22 with solid rosewood neck
Mesa/Boogie Electra Dyne 1x12 combo
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Post subject: Re: Help With Pickup Wiring
Posted: Fri Oct 12, 2012 1:28 am
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Big job to help you , a custom wiring . Lots of work to make a sketch of what you need.


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Post subject: Re: Help With Pickup Wiring
Posted: Fri Oct 12, 2012 3:30 am
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suggest to go to the Seymour Duncan web site. They have a lot of different wiring diagrams, and could have one that is close to what you are looking for.


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Post subject: Re: Help With Pickup Wiring
Posted: Fri Oct 12, 2012 7:28 am
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"#5 neck
#4 neck/middle
#3 middle
#2 middle/bridge
#1 bridge

2nd tone control up = splits humbucker to outside coil (parallel when in positions 2 and 4)"

Are there typos in that? Because the switch positions are normal and neither humbucker coil would be active in position 4. When multiple pickups are on, they're normally in parallel. (The coils of a humbucker are normally in series, but that doesn't matter when you split the 'bucker and turn one coil off; whether split or in full humbucker mode, if you combine the bridge pickup with the middle it's normal for the two pickups to be in parallel.)

So unless you want to do something fancy with the tone controls you don't need a superswitch, just a regular 5-way. (Or even a 3-way, though I assume you don't want to have to carefully balance the switch lever in the "in-between" positions.)

For what you describe, the wires from the humbucker go to the push/pull switch, then the output from the push/pull goes to the pickup selector switch. If you use a 5-way you'd then wire everything else up normally, then add the treble bleed to the volume pot.

But since you mention the split humbucker in 2 and 4, I'm wondering if you actually want a neck + bridge setting on the switch. If so, is one of the Fralins RW/RP? (Then you'd need to use the outside coil of the 'bucker in one position and the inside coil in the other position to have both B+M and B+N in-phase.)

You may also want to add a resistor in parallel to each single-coil to "trick" them into seeing a 250K volume pot load.

I'm assuming that since you have a push/pull for coil splitting, you want the option of using the full humbucker or the split humbucker when combining with one of the Fralins (otherwise you could use the superswitch to automatically split the 'bucker).

Sorry for the convoluted confusing questions, but your post has conflicting info and you don't explain why you chose a superswitch instead of a 5-way. Please tell us exactly what you want in each position (including tone controls and whether one of the Fralins is RW/RP) and Martian or someone can tell you exactly how to wire it (or where to find a schematic).


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Post subject: Re: Help With Pickup Wiring
Posted: Fri Oct 12, 2012 9:16 am
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KidBlast wrote:
suggest to go to the Seymour Duncan web site. They have a lot of different wiring diagrams, and could have one that is close to what you are looking for.


Oh no not like this and not close too.


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Post subject: Re: Help With Pickup Wiring
Posted: Fri Oct 12, 2012 3:43 pm
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Yeah, you're right, that was a typo. What I should have said:

Position
1 neck
2 neck/middle
3 middle
4 middle/bridge
5 bridge

With the push/push switch up, it simply splits the humbucker. No other weird switching.
Position 4 middle/bridge outer coil
Position 5 bridge outer coil

Looking at some of the available diagrams online, it appears that I don't actually need the 5-way super switch. Can I still use it anyway?

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2010 American Deluxe Strat Sunset Metallic - Lindy Fralin Blues Specials in the neck and middle, Dimarzio AT-1 humbucker in the bridge.
PRS Custom 22 with solid rosewood neck
Mesa/Boogie Electra Dyne 1x12 combo
DRRI


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Post subject: Re: Help With Pickup Wiring
Posted: Fri Oct 12, 2012 3:50 pm
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I just got back from Tube Depot with an assortment of Orange Drop and Mallory caps. I wish I would have thought about the resistor while I was there. They are about 35 minutes away, so I guess I'll go to Radio Shack and pick up a resistor. Now to look up the value.....

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2010 American Deluxe Strat Sunset Metallic - Lindy Fralin Blues Specials in the neck and middle, Dimarzio AT-1 humbucker in the bridge.
PRS Custom 22 with solid rosewood neck
Mesa/Boogie Electra Dyne 1x12 combo
DRRI


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Post subject: Re: Help With Pickup Wiring
Posted: Fri Oct 12, 2012 4:13 pm
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I found the resistor value on an old thread here. It's 470k.

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2010 American Deluxe Strat Sunset Metallic - Lindy Fralin Blues Specials in the neck and middle, Dimarzio AT-1 humbucker in the bridge.
PRS Custom 22 with solid rosewood neck
Mesa/Boogie Electra Dyne 1x12 combo
DRRI


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Post subject: Re: Help With Pickup Wiring
Posted: Sat Oct 13, 2012 6:20 pm
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Well turns out I didn't need the 5-way super switch. Just a regular 5-way switch would have worked out fine for I'm doing. But I don't have an extra 5-way switch lying around, so I had to use this one. If ever I want to do some other mods, I'll have it.

I have pretty much just tried to figure all this out on my own from researching various wiring diagrams. It'll be an f'ing miracle if this works right lol!

Anyways, check out the 470 ohm resistors. Is that right? They sure are tiny! The posts I read said 470k resistors, but Radio Shack didn't have any of that value, so I though maybe it was a typo.

I know these pics aren't very good. Let me know if you have any questions. I have all 4 commons wired together. Check it out. Does this look right?

Image

Image

Image

_________________
2010 American Deluxe Strat Sunset Metallic - Lindy Fralin Blues Specials in the neck and middle, Dimarzio AT-1 humbucker in the bridge.
PRS Custom 22 with solid rosewood neck
Mesa/Boogie Electra Dyne 1x12 combo
DRRI


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Post subject: Re: Help With Pickup Wiring
Posted: Sat Oct 13, 2012 7:33 pm
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The middle pickup is the only one that works. I got nothing but hum on every other position. :cry:

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2010 American Deluxe Strat Sunset Metallic - Lindy Fralin Blues Specials in the neck and middle, Dimarzio AT-1 humbucker in the bridge.
PRS Custom 22 with solid rosewood neck
Mesa/Boogie Electra Dyne 1x12 combo
DRRI


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Post subject: Re: Help With Pickup Wiring
Posted: Sat Oct 13, 2012 9:45 pm
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To turn a 500K pot into a virtual 250K pot for the single-coils, you need a resistor that's almost the same value as the pot. A 500K resistor would be the ideal choice but those are very uncommon. 470K is a normal, common resistor value that's close enough. Radio Shack does sell 470K resistors though each individual store may not stock them (they sell a variety pack that includes 470K's and most stores should have the variety pack, though you'd spend more and get a lot of resistors that you may never need, so it might be better to order a couple 470K's on-line or have your local RS order a couple for you).

I'm sure that a superswitch can be wired to act the same way as a regular 5-way, but thinking about superswitches and megaswitches gives me a headache. Since none of the pickup wizards have checked in on this thread, you might want to start a new topic like "how do I wire a superswitch as a regular 5-way".


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Post subject: Re: Help With Pickup Wiring
Posted: Sat Oct 13, 2012 10:45 pm
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Ok, thanks. That makes sense. I've got all 3 pickups working now, and also the coil split works. I'm stuck on getting position 2 and 4 to work now. I've been working on this for hours. I think I need to go to bed and try again tomorrow morning.

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2010 American Deluxe Strat Sunset Metallic - Lindy Fralin Blues Specials in the neck and middle, Dimarzio AT-1 humbucker in the bridge.
PRS Custom 22 with solid rosewood neck
Mesa/Boogie Electra Dyne 1x12 combo
DRRI


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Post subject: Re: Help With Pickup Wiring
Posted: Sun Oct 14, 2012 1:43 am
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Hollis Prince wrote:
The middle pickup is the only one that works. I got nothing but hum on every other position. :cry:


Sorry to said but wiring is so poor you'll have a lots of problem , if not now , later when you play at gig .


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Post subject: Re: Help With Pickup Wiring
Posted: Sun Oct 14, 2012 6:23 am
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For what you want you are really going about it in a complicated manner.....

(1) You only need a 5 way....remove the super switch as it is just making your project a nightmare.

(2) You can use a 500k pot for the HB which is what is normal with HB's, however I disagree with adding resistors to attenuate down to around 250.
The 500K will make your single coils sound much brighter, but with the resistors, your HB in dual mode will sound muddy..... :?
A better option would be to swap both of your tone pots to TBX pots ( treble boost expander )
a TBX has a middle detente @ 5 ( neutral ) go to ten and you decrease bass without losing clarity, go towards 1 and you decrease treble. Unlike a normal tone pot which just cuts signal out and gives you a choked sound....

(3) Switch your Volume pot to a push /pull for single to dual HB mode.

(4) Your wiring connections are too long, at the solder points your bare wire/solder will wreak havoc with your guitar cavity by possibly touching the insulating paint or foil in your cavity, thereby connecting hot to ground and shorting out your circuit, hence hum and loss of pups response... :wink:
at the 5 way switch connections, strip only as much wire as you need to solder onto the connector, about 2-3 mm or 1/8th inch max....That means you have to be precise and probably have to practice on a test set up.
Sloppy solder joints and wiring will give you all kinds of interference issues and you will spend hours if not days, trying to figure out what or where the problem lies....

Which is the reason for keeping your wiring layout to the simplest layout that you need for your result...No more..... Or you will be pulling your hair out in frustration... :evil:

edit....looking at the pics, your 4 lead HB wire needs to be trimmed to a shorter length, also you cannot have bare splices, any splices should be insulated with shrink tubing, but Why are you splicing... :?:
If you look at the Support Section and Wiring Schematics, you will see neat wiring where all the wiring is directed to fit in a common space from the pups on to the controls.

(1st ) Run all your wiring to where they go. Don't solder, just cut to length and clip with alligator clips.
(2) Once all the leads are layed out then you can double check for accuracy of connections and then start to solder by soldering the least accessible ends first to the most accessible last.
Setting everything up with clips will show you which wires need to be soldered first due to access restrictions......

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Post subject: Re: Help With Pickup Wiring
Posted: Sun Oct 14, 2012 7:47 am
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"The 500K will make your single coils sound much brighter, but with the resistors, your HB in dual mode will sound muddy..."

The resistors should only be switched in with the single coils, not with the humbucker -- so the humbucker by itself sees a 500K load and the single-coils see a 250K load. There will still be issues when splitting the humbucker and in the bridge+middle position (whether the 'bucker is in dual-coil mode or split) but that's true with or without resistors. Using resistors to trick single-coils into seeing a 250K load with a 500K volume is one of Martian's trademark ideas -- odd that no one's disputed him the dozens of times he's suggested it.

But the way the resistors are wired now, they're in series with the pickups, not in parallel with the volume pot. They should be increasing the impedance load to ground, not adding resistance to the signal flow. Because they're such a tiny value (470 ohms instead of the correct 470K ohms) they aren't adding enough resistance to really do anything, but one end should be connected to the switch lug where the pickup wire connects and the other end of the resistor should go to ground.

The treble bleed cap is wired incorrectly. It should connect the voume pot's input and output, not run from the third lug to ground.

"your 4 lead HB wire needs to be trimmed to a shorter length, also you cannot have bare splices, any splices should be insulated with shrink tubing, but Why are you splicing..."

What splices? White and black run to the splitter switch, green and silver to the back of the volume pot, red to the switch. I don't see any wire splices at all.

"Switch your Volume pot to a push /pull for single to dual HB mode."

Why? Having the coil-split push/pull on one of the tone pots is normal and common -- keeps you from bumping the knob down while playing. Plus using a regular pot for the volume gives you a nice large area for the ground connections.

"You only need a 5 way....remove the super switch as it is just making your project a nightmare."

I said that back in the 4th post in this thread. But he's already bought the superswitch, doesn't have a 5-way, and doesn't want to buy another switch and more pots and waste the investment he's already made in parts. Not having asked about what he needed before he started has complicated matters, but the components he already has can do what he wants.

The sloppiness I attribute to it being a work in progress. He's trying to figure out what goes where and just to get it to work. I assume he's going to tidy it up before he adds the ouput wires to the jack and actually installs the loaded pickguard into his guitar.

Hollis, again I suggest you start a new thread. But title it "Martian, please help with a wiring nightmare." He could wire your guitar the way you want with his eyes closed using your existing components (except replacing the 470 resistors with 470K resistors).


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