I had to do this on my Telecaster to get the mid and neck pickups to hum cancel. Note that if you change the magnetic polarity of a pickup the current flow direction will also reverse so you will have to swap its hookup wires to keep the same electrical polarity. Be aware that some...
I reassembled the guitar, did a rough adjustment on the bridge pickup height, and then plugged in the guitar to test it. Attaching the lead wire from the vintage WR pickup. A pair of hemostats comes in handy for getting into tight places and clamping a wire to the terminal before you...