Did I Do Something Wrong? [GEAR]

EDIT: I’m linking the pictures requested. I tried to give a good description in each picture. I’m realizing the green and plain wires aren’t actually touching the volume pot; only the glob of solder, although I wouldn’t think that would make a difference. https://imgur.com/a/rrtIZ85

I’ve already tried posting this a few times and unfortunately I lost the entire original post.

I just recently bought a new guitar to which I knew beforehand I would be doing at least one modification. I changed the stock tuners, which was a surprisingly harrowing experience, but mainly I knew I wanted to swap out the single coil bridge pickup for a humbucker, specifically a single-coil-sized JB Jr.

After installation, I noticed it had exactly the same problem as the old guitar I did the same modification to–the humbucker is quieter than the single coils by themselves, but the neck and middle single coils out-of-phase together are DEAD quiet compared to the humbucker, which is what I’d like, obviously.

I wired the red and white wires together, as per the Seymour Duncan instructions, wired the hot/black wire to the bridge selector switch, and wired the ground and bare wires to the back of the volume pot, where there was already a large glob of solder. The volume and tone knobs work for every pickup, and the new humbucker sounds pretty good, but it is not quiet like the out-of-phase neck and middle pickups together is. If this is a grounding issue, then wouldn’t that position also have some hum?

What, if anything, did I do wrong? Also, FYI, this is a Squier Cyclone that has on/off switches instead of a selector switch. Thanks!

submitted by /u/theoort
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