GFS Single Coils User manual

Pickup Wiring Guide
GFS 5 Wire Humbuckers, MM Pro
GFS Single Coils, P and J Bass
Dream 90, Mean 90,
NY II, Pro Tube Singles
Black = Ground
Silver Shield = Ground
Green = +
Connect Red to White
No Contact for Humbucker
Connect to ground for Single Coil
N
S
Start
Start
End
End
White or Color = +
Black = Ground
On Premium Sets:
Blue = Bridge
Yellow = Mid
White = Neck
On Authentic Sets:
Highest K = Bridge
Middle K = Mid
Lowest K = Neck
White = +
Red or Black = Ground
Silver = Case Shield
Connect to ground
If you are experiencing unusual handling noises, sometimes the pickup will function best without the shield
connected to ground, but Black or red lead must ALWAYS connect to ground.
Ground lead is soldered to shield at factory- peel back some insulation to reveal it
Solder all grounds at the same location- Back of Volume pot is best.
For Pro Tubes- MIDDLE PICKUP- RED=+, White=Ground
Solder all grounds at the same location- Back of Volume pot is best.
In single coil mode Neck Humbucker uses ONLY Neck-side Coil,
Bridge Humbucker uses only Bridge-side coil. To reverse these short
red-white pair to + instead of ground.
When wiring to existing pickups- If in-between position is too thin you are out-of-phase. Just reverse the +
and ground leads on the GFS pickup without disturbing the silver shield. On Tele Bridge pickups the baseplate
ground lead must also be reversed. GFS Humbuckers may also be wired using Seymour Duncan wiring codes.
White

-
-
+
+
Vol 1
500K
Vol 2
500K
Tone 2
250K
Tone 1
250K
.022uf .022uf
GND GND
Out-
Out +
Connect to Cable
Shield
Toggle
Switch
Vol
250K
To Ouput
Jack +
Tone
250K
NECK P/U
BRIDGE P/U
GND
.047uf
3-Way Switch
Tele® Wiring Diagram
Les Paul® Wiring Diagram
Strat® Wiring Diagram
Wire Highest Ohm (K)
To Bridge, Lowest to
Neck.
5-Way Switch
Vol
250K
Tone 2
250K
Tone 1
250K
GND
GND
Connect to Bridge Ground
To Ouput
Jack +
Black to Ground
Black to Ground
Black to Ground
BRIDGE
MIDDLE
NECK
.047uf
Pro Tubes-
Red= +
White= Ground
Suggested Pot and Cap Values
Pots
Humbuckers= 500K
Rail Humbuckers= 500K
Overwound STrat Sets= 500K
Vintage and Texas Strat Sets= 250K
Pro Tubes= 250K
Caps
Humbuckers= .022uf, .033uf for darker tone
Rail Humbuckers= .022uf or .047uf
Single Coils= .047, .05 or .1uf for darker tone
Pro tubes= .047uf