Jul 20, 2018Set the voltmeter to volts. Connect the two leads from the voltmeter to the two wires of one of the coils. Tap a coil with a screwdriver or other piece of metal and look at the reading on the voltmeter; if you don’t get any reading, tap the other coil. It will be very quick, so you have to keep tapping the pickup with your screwdriver. Related searches for coil tap switch wiring diagram humbucker coil tap wiring diagramsplit coil humbucker wiringpush pull coil tap wiringhow to coil tap humbuckerspush pull coil taphsh wiring diagram coil splitcoil tap pothsh guitar wiring