I think you're on the right track by suspecting the neck volume pot but my guess is that it's a soldering/wiring problem rather than a faulty pot. Maybe ICBM or TheGuitarWeasel will have a brainwave soon, but I can only suggest setting your meter to continuity (so it beeps when the two probes are touching) and going through the wiring diagram to check that everything that is supposed to be connected together, is connected.
You could unsolder the wires from the suspect pot and check with your meter that it reads 500k at "0" and next to nothing at "10"; but I'd convince myself the wiring was 100% first.
Aha, so maybe I've overheated a wire and it's shorted? Would that account for the drop in volume rather than it not working at all?
You're dead right though, I thought I'd better check the wiring first because there is every chance that I've cocked something up. However, the only wires that I've soldered are the wires to the switch and the pickup leads to the two volume pots. So, by re-wiring the switch (and I'm sure that's 100% now) and re-doing the connections for the neck pickup to the volume pot I've re-done everything that I did. I didn't think it was necessary to re-do the wiring to the bridge volume pot as this is 100%.
I'd love to check the wiring with the meter but I just have no idea what I'm doing, literally. I don't know what to check and what to expect when I do. I only decided to install this myself as a) I wanted to try as it's the only way to learn and b) because someone gave me a new and complete wiring loom.
Originally Posted by thermionic
Nobody got any ideas........?
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