Strat Series Parallel Wiring Diagram. This wiring uses a 5 way switch includes both humbuckers individually and adds tones using coils from both pickups to create other. This wiring doubles the voltage output resulting in a stronger and warmer tone.
In the second diagram the two pickups are wired in series. In a standard guitar like a strat or a tele your pickups are wired in parallel. Most humbucker pickups are wired using series wiring.
3 single coil wiring.
As i mentioned parallel wiring of two pickups is what you are used to hearing from a strat. In a standard guitar like a strat or a tele your pickups are wired in parallel. Guitar wiring diagrams for tons of different setups. 2 shows the schematic in all its glory.