#“Astrocaster” SHH Pacifica with full series wiring

37 messages · Page 1 of 1 (latest)

soft nymph
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Here is a recent rewire of one of my less-used guitars, my upgraded Pacifica EG-112. Having already installed new hardware from head to bridge (but the plastic nut remains!), I went back for a second round to correct the flaws my original wiring had.

In its earlier incarnation, this Pacifica had pickups in an SHS configuration with a black rail humbucker in the middle position and an overwound single-coil sized for the humbucker slot. Wired with a traditional five-way switch, the parallel, mixed positions were just too weak compared to those involving only with single pickup. So I wanted series, rather than parallel combinations of pickups, which produce a stronger, darker output.

As well, I’ve picked up a new philosophy of wiring since I did this guitar - one that rejects even the possibility of using pickup configurations that don’t hum cancel. The three middle positions were decently quiet, but why not all five?

With these requirements in mind - series connections of pickups which cancel hum - I replaced the traditional five-way switch with four-pole five-throw “super” switch (actually, one set of poles remains unused) providing as the five settings:

  1. bridge humbucker
  2. bridge rail & middle split
  3. middle humbucker
  4. neck & middle split
  5. bridge poles & neck
    which each place two of the guitar’s five coils in series. Positions 1 - 4 essentially correspond to those of a traditional strat, but with series rather than parallel combinations. Position 5 gives the often-missed “tele” combination, putting both of the guitar’s poles-coils in series.

As I hoped, this rewiring has given me a guitar with five evenly-balanced and practically noiseless pickup settings. The 2 and 4 positions have that strat quack we know and love, but with no volume drop compared to the surrounding positions. The 5 “tele” position is a nice completely new sound for this guitar; I don’t miss the neck-only position - the middle pickup arguably makes for a better rhythm pickup.

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I almost forgot to mention the sticker bombing - which I did about a week before I wired the guitar itself.

ruby junco
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Looks great! Love the pickguard

glossy coral
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you did a #1019636448749699072 !

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get out the schem, I know you have it

soft nymph
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2000 character limit 😔

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I do, not a scan of it

glossy coral
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oh also stickers, that probably took longer than rewiring

soft nymph
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I’ll make a scan when I get home. Tbh I only had a rough diagram for this, I finalized it as I was building … once again

glossy coral
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edited phone pic is scan enough

soft nymph
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Probably an equal amount of time, the stickers were one and done but there’s a lot of them. The wiring, I kept having to swap my coils around.

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I mean, I don’t have that on my phone even. But I’ll grab one when I pass by home in a bit

glossy coral
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well, at least you're sure the polarities are right

soft nymph
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I had to use process of elimination

glossy coral
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friendship ended with parallel, series is my new best friend

soft nymph
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“this combo hum cancels so these two pickups have to be in phase” etc

glossy coral
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was it single in parallel with half humbucker before?

soft nymph
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it really is the way to go

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correct, and it sounded so anemic

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Jazz strat becomes Chad strat

glossy coral
soft nymph
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Yep … I mitigated it a little with a resistor-split but that hurts the hum cancellation then

glossy coral
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I have to say, I'm not a pickup enthusiast but that doesn't look SSH

soft nymph
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It is an SHH guitar now, and used to be an SHS and an SSH before that

glossy coral
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so, the title?

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so the super switch is two fender switches ganged together

soft nymph
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Oops lol

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As well, the super switch has distinct poles for the mixed positions

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“Astrocaster” SHH Pacifica with full series wiring

glossy coral
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Oh, a true 5T

soft nymph
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combos are in the order written above

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the middle humbucker was the sleeper setting for this guitar for me. I didn't expect it to be a better neck pickup

fleet quarry
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I'll check it out 👍

fleet quarry
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I think I like the second sound clip the best.

soft nymph
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that's the classic strat quack setting