The actual wiring here is dramatically different than the diagram depicted. Also it looks like the volume knob should have a 500k resistor and it does not. Am I looking at the wrong wiring diagram?
http://www.pitbullguitars.com/wp-con...s/pdf/JM-1.pdf
https://photos.app.goo.gl/VQnUH1zcRHiKyhNB8
Also having the same issue. I’m completely lost.
The factory always seems to be changing the wire colours and components on the JM kits, as discussed in this thread. The images below *should* work for a lefty kit's configuration. The ‘switch output’ wire will be the opposite lug of the volume pot for a standard ‘righty’ kit.
If you have a 7-lug/pad switch it connects as per below. If you have an 8-lug/pad switch then the centre two lugs both connect to the Volume/Switch Output wire.
The above gives you Tone 2 for the Bridge pickup and a shared Tone 1 for the Middle and Necks pups.
(Oops, was supposed to post this for the other thread, same info tho)
Last edited by WeirdBits; 25-05-2023 at 09:28 PM. Reason: Stupidity
Scott.
500K refers to the resistance of the potentiomter (AKA a 500K variable resistor). I think your kit should have come with two capacitors, but no fixed resistors.
I think most kits come with "log" or "audio" pots that are generally used for volume. The tone pots are generally "linear," although a number of folks (me included) tend to use audio pots for all positions.
You may be able to tell just by looking at a stamp on the top back of the pot what type you have. If it has an A that's for Audio, B is for linear. It may also give you the value.
This is an example of a linear 500K pot.
Last edited by fender3x; 25-05-2023 at 10:23 PM.
The JM baritone is similar in the wiring just the bridge pickup is a single coil instead of a humbucker.
This might also be of some help - look at the bottom of the first page.
https://www.buildyourownguitar.com.a...228#post178228
Hi WeirdBits, appreciate your work across the forum, have saved my life a few times on other buildsOriginally Posted by WeirdBits
The factory always seems to be changing the wire colours and components on the JM kits, as discussed in this thread. The images below *should* work for a lefty kit's configuration. The ‘switch output’ wire will be the opposite lug of the volume pot for a standard ‘righty’ kit.
If you have a 7-lug/pad switch it connects as per below. If you have an 8-lug/pad switch then the centre two lugs both connect to the Volume/Switch Output wire.
The above gives you Tone 2 for the Bridge pickup and a shared Tone 1 for the Middle and Necks pups.
(Oops, was supposed to post this for the other thread, same info tho)
Currently wiring up a JMA-1, and have the 8 lug panel - it's also reversed compared to the JM-1s I've seen. Can you confirm that this is what you meant with that?
Here's the rest of the wires, different colours (as always) but I believe the pots are wired up the same as the above.
Cheers!
(Edit: Just saw what you said about the lefty/righty, not sure if that's why mine is reversed? It's a righty for clarity)
Last edited by CaseyBoller; 23-09-2024 at 07:55 PM.
Hopefully someone more knowledgeable will chime in. I have always used open frame switches, and haven't used one like yours. I see what you mean by it being reversed, but I don't think that will matter. Unless I am mistaken it should be the same wiring in both orientations.
I think the Weirdbits was referring to the lugs on the pot, not the lugs on the switch. The switch would be wired the same whether lefty or righty.
Just for clarity... What's not working? It looks like it may be wired correctly. Some of these everything-on-the-pickguard kits come pre-wired. That does not always mean that it works perfectly, but it would be good to know what issue you are having with it ;-)
Apologies for any incorrect terminology, I'm a software guy so electronics are very out of my depth!
The pickups are pre wired (thankfully) so just need to connect up the 4-wire ribbon from the vol/tone pots. I haven't tried yet because I'm scared of letting out the magic smoke.
The JM-1 wiring diagram (pdf/JM-1.pdf) doesn't match up with what I've got in the pic above - trying to work out how to hook up my wire ribbon. The 5 way switch in the diagram has 7 connectors, but mine has 8, and they've been pre-wired differently from the diagram. Hard to see in my picture, but 1,2,3 are pre-wired to the pickups; 4,5 are soldered together; and 6,7,8 are empty. From the thread WeirdBits linked to, I'm unsure if I should be connecting volume to 4,5, tone1 to 6,7 and tone2 to 8, or if that's completely wrong lol.
Hope this made some sense! I think I'll try it in that configuration and see what happens tonight.
Hi CaseyBoller,
Yes, I'm sure you have it correct:
you "should be connecting volume to 4,5, tone1 to 6,7 and tone2 to 8".
+ are you happy with determining the colours of the vol, tone1, tone 2 and ground wires?
PitBull Builds: FVB-4, LP-1SS, FBM-1, AG-2, TB-4, SSCM-1, TLA-1, TL-1TB, STA-1HT, DSCM-1 Truckster, ST-1, STA-1, MBM-1.
Scratch Builds: Pine Explorer, Axe Bass, Mr Scary, Scratchy Tele's.
The little voices in my head keep telling me "build more guitars"
Hey Casey.
As fender3x, the ‘lefty’ aspect applied to how the pots would be wired on a left-handed build. And, as Trevor confirmed, you are correct with 4&5 to volume, 6&7 to tone 1, and 8 to tone 2.
It’s a little tough to certain from your images, but from what I can see you should have:
-black wire to switch ground.
-white (light grey?) wire to switch 4&5.
-dark grey wire to switch 6&7.
-purple wire to switch 8.
Scott.
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