Another P-Rails Question

ThreeChordWonder

New member
Part One.

Maybe I've messed things up "under the hood" but I've convinced myself the rail coils aren't fully isolating when the coils are split in favor of the P90s.

When I tap the rails with a screwdriver they still seem active. Maybe this is microphones, I don't know, but since it happens on both the neck and bridge pickups, I don't think it's a manufacturing fault.

Has anyone else experienced this?

Part Two.

I'm waiting for a 5-way superswitch to arrive later today, which I'm going to wire thus:

P1 - full bridge humbucker
P2- bridge P90 coil
P3 - both P99 coils
P4 - neck P90 coil
P5 - neck full humbucker

(It's an HH Strat).

I'm going to wire it so the P90 coil hots (black) go to individual volume pots then to a common tone pot "in" and in parallel to the output jack tip connection. Thus the P90 hots will be permanently connected.

The switch will be used to control the grounds.

In P1 the bridge P90 coil ground (white) will connect to the rail hot (red), through the rail coil and then to the permanently grounded rail coil ground (green).

In P2 and P3 the bridge P90 coil ground will go directly to ground, bypassing the rail coil. In P4 and P5 it will be disconnected.

The rail coil hot (red) will connect to the P-rail ground (white) in P1 but in all other positions it will be grounded, meaning both ends of the rail coil will be grounded.

The neck pickup will be wired much the same way, with neck P90 ground (white) connected to the neck hot (red) in P5, and to ground in P3 and P4. The neck rail hot (red) will be grounded in P1 through P4.

The idea here is to ground both ends of the rail coils when they're not needed, and to control the P90 coils by switching their ground connections / routes.

Thoughts anyone?
 
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