• Ernie Ball
  • MusicMan
  • Sterling by MusicMan

Spudmurphy

Well-known member
Joined
Aug 23, 2005
Messages
12,037
Location
Cardiff, United Kingdom
T
If anyone would possibly be willing to take some detailed pictures of the inside cavity of their JP BFR (I got a push pull tone pot for the JP)so I could see the wiring first hand, it'd be REALLY appreciated. I'm just not loving this diagram.

I'm on the case and will u/l photos ASAP
 

petruccirocks02

Well-known member
Joined
Oct 22, 2006
Messages
1,923
Location
Levittown, PA
Morbid, thats looking great so far! That finish is really nice. Keep it up, you're almost at the top of the climb with this build.

-Phil
 

Spudmurphy

Well-known member
Joined
Aug 23, 2005
Messages
12,037
Location
Cardiff, United Kingdom
Is this "the wire" you are wondering about?
2e0276e1.jpg


Let me know what close "close-ups" you want as my Pet is undergoing some work
154c8e51.jpg
 

Morbid

Well-known member
Joined
Jul 27, 2005
Messages
133
Location
Daytona Beach, FL
Thank you Spud.

Unfortunately, I have no idea what the wire is at all...

Here's the Diagram Ernie Ball gave me..

JPcoiltap.jpg


If you look at the bottom of the selector switch, where the Red wire for the Bridge Pickup would NORMALLY go (remember, I got the Push Pull tone pot, so the wiring is a little different), you'll see a wire that says "Bare to switch washer".
With a refreshed pair of eyes for this afternoon, I'm assuming they mean for a bare wire to be sodlered to this point on the switch;

switchcircle.jpg

But I still don't get what which washer I'm supposed to go to or how. Like I said, I'm ASSUMING it's like the Piezo Switch and they just want me to run a bare wire to the metal plate inside the cavity.

Now I'm also confused about something else.
Looking at your wiring has revealed something else to me that I thought I had figured out, but has now added onto my confusion.

If you look to the left of the Diagram, the black wire leading from the input jack goes to some weird shape...I dunno what you'd call that. At any rate, it branches off and connects to the volume pot, the tremolo claw, and then to "shield"...I have NO idea what shield they're talking about. Again, I find myself assuming I'm supposed to connect a shield wire from one of the pickups to this lead? But originally, I assumed that weird shaped thing was this;

Wirepiece.jpg

And I was under the impression that it gets screwed into the Tremolo cavity, but I see yours on the inside of the regular cavity...that explains that hole there I guess. Of course, now I still don't know how I'm supposed to make it connect to the tremolo claw or what route I'm supposed to take.

I might just be an idiot (which is possible)but the Diagram doesn't seem real clear cut to me...I'm definitely having issues.
It doesn't help that I'm having to use a combination of THIS Diagram, with the one they originally sent me that doesn't have the Push Pull tone pot, but actually has the Piezo Options so I know how to wire the piezos up right.


I THINK that covers my confusion for now, though I'm sure I'll remember something else later.
 

bkrumme

Well-known member
Joined
Mar 3, 2009
Messages
2,926
Location
United States
Looks like you just solder a bare wire between that pole and the pickup selector switch washer, which should be a common ground.

Someone please confirm this before he does it.
 

Spudmurphy

Well-known member
Joined
Aug 23, 2005
Messages
12,037
Location
Cardiff, United Kingdom
Morbid - sorry I can't help you. I draw the line at electronics and leave that to somebody else.

For what it's worth the "wire" I show in my photo goes nowhere!! it just ends in a loop that touches the underneath of the plastic cover.

There are good "electronics" guys on the forum and I'm sure that they will help you out.

It's dark in the UK now - but tomorrow when it's light, if you want any real close ups of any components or particular areas of the wiring cavity let me know ?
 

Morbid

Well-known member
Joined
Jul 27, 2005
Messages
133
Location
Daytona Beach, FL
Looks like you just solder a bare wire between that pole and the pickup selector switch washer, which should be a common ground.

Someone please confirm this before he does it.

At that rate it seems almost like I should just go ahead and attach it to the plate, don't you think?

Example...as in Spud's picture from way earlier in the thread, he shows his Piezo switch. Just like mine, there is a bare wiring leading from the middle prong to the metal plate attached to the switch

P2110121.jpg

I feel like THAT'S what I should do in this situation...


Spud, I appreciate that more than words can offer sir.

The only close up I can think of at this particular moment would be the selector switch from the back of the cavity. A similar view to the selector switch i posted, but further down so I can see if there is a wire leading from your board to the washer itself.
 

jamminjim

Well-known member
Joined
May 25, 2006
Messages
2,304
Location
Grand Junction, Colorado
that thing in the diagram is a common ground point and the wire that is shown as going to the trem claw is a wire that goes into the tremolo cavity and attaches, or is soldered to, the metal piece that holds the trem tension springs. (the claw) usually the pickguards are lined with a conductive foil and the wires going to them can lay on the body and make contact when the pickguard is screwed dwon on top of it, or it is soldered to the back of a pot, or a switch which contacts the foil.

mind you I don't own a JP, just throwing out what I know from experience....

maybe spud or someone would take a pic of the opened up trem cavity to see how the ground wire is attached.
 
Last edited:

Spudmurphy

Well-known member
Joined
Aug 23, 2005
Messages
12,037
Location
Cardiff, United Kingdom
Last one b4 I go out on the town!

Here's a close up of the wiring and you can see that the bare wire on mine goes to the extreme left.

In my wiring (no push pull pot) there is nothing going to what you have circled in your picture.

Oh well I hope you get to sort this out by the time I log on tomorrow.

Good luck.
d0a0e048.jpg


Edit

shoot nah - that is just the grounding wire for the pickup dum Spud!!:eek:
Sorry
 
Last edited:

Morbid

Well-known member
Joined
Jul 27, 2005
Messages
133
Location
Daytona Beach, FL
I'd also volunteer for photos, but I remember that you wanted the BFR setup, right?

BFR Setup is what I'll inevitably need, but all of the guitars have certain wirings in common. In other words, I won't turn down anyone who is willing to lend a helping hand by taking photos. All pictures will be appreciated and will be helpful.

that thing in the diagram is a common ground point and the wire that is shown as going to the trem claw is a wire that goes into the tremolo cavity and attaches, or is soldered to, the metal piece that holds the trem tension springs. (the claw) usually the pickguards are lined with a conductive foil and the wires going to them can lay on the body and make contact when the pickguard is screwed dwon on top of it, or it is soldered to the back of a pot, or a switch which contacts the foil.

That sounds about right, though I must admit, it seems like there should be a better way of doing it than just sitting against the foil. Still, pictures of other people's JP's will help reach a final conclusion. Thank you for the input.

shoot nah - that is just the grounding wire for the pickup dum Spud!!:eek:
Sorry

Haha, no worries Spud, the time you took to take the photo is appreciated, and actually helpful. Confusing, but helpful. So now I wonder why my wiring diagram is telling me to do something that yours does not have. :confused:

Very interesting...
 

Lukesilo

Well-known member
Joined
Nov 19, 2009
Messages
122
Location
Tulsa
Getting close! Cant wait to see it bro. I bet your itching to take it for a spin!
 

Morbid

Well-known member
Joined
Jul 27, 2005
Messages
133
Location
Daytona Beach, FL
Boogieman, thanks so much for taking the time to take and post photos of your BFR. It's very much appreciated. And might I just say, holy CRAP what the hell!? Now I'm REALLY confused.

It would appear that you don't have a wire running from your selector switch to the 'washer' either. But beyond that, you have wires running from place to place that aren't even mentioned in the diagram!
At least now I know it's not just me...the diagram is retarded, not me!

Well, can anyone else make heads or tails of this diagram before I call Ernie Ball to ask? Because I'm starting to think I should have waited to start soldering. That or I should have gone with the regular tone pot instead of the push/pull!

Insanity...any additional input is welcome!
 

jamminjim

Well-known member
Joined
May 25, 2006
Messages
2,304
Location
Grand Junction, Colorado
Morbid - Go back to spuds control cavity pics and you'll see he pointed out the central grounding point in the control cavity. He also pointed out the bare wire that appears to just lay on the edge of the control cavity rim so as to make contact (continuity) with the foil on the control cavity cover. You can see that really well in mbmans pics. One black wire from the central grounding point goes through a drilled hole into the tremolo cavity and is soldered onto the trem claw. (like in a strat) Another goes to the output jack. Another one is soldered to the back of the volume pot. Since your central ground only shows two wires you're going to have to add a solid conductor bare wire and one stranded black wire, 22 guage most likely.

The bare wire that is supposed to go to the ring on the main pickup switch is not visible in either of the two JPs pics. It might be that it is soldered in from underneath and we can't see it. Could mbman or spud confirm? It would be very similar to the one in the piezo switch pic earlier in this thread.

Post a pic of the other side of the main pickup switch and circuit board.

What I don't see in the diagram is the wiring for the piezo switch, or the piezo pickup . I think there is a wiring bundle coming into the control cavity from the switch. The two magnetic pickup wiring bundles are terminated with white heat shrink. Then there is the other one terminated with black heat shrink. Is that the piezo switch wiring or wires from the piezo pickup? Where are the wires coming in from the piezo switch?

I would request a schematic from CS for the JP6 with piezo. Or if someone has it could you post it up here.
 
Last edited:

bkrumme

Well-known member
Joined
Mar 3, 2009
Messages
2,926
Location
United States
Seems I'm late with pics. I didn't have a chance to get them last night. mesaboogieman hooked you up, though.

I also don't have a wire going to the switch washer. Also, remember the BFR has the piezo circuit and the last pot toward the back of the guitar is the Piezo volume control. So you're seeing more in the control cavity than is in the diagram because of that.
 
Top Bottom