« Reply #4 on: January 26, 2021, 03:05:00 AM »
DC resistance of 5.42 is an OK reading as measurements vary with temperature, and the multimeters are not always calibrated exactly. Also, if you measured the pickup while in circuit the volume control is in parallel with it, so the reading is lower than with the pickup disconnected.
And if there is only little more hum we can exclude the out of phase in itself wiring - that would give lots more hum, in particular with overdrive.
Your description of the wiring is also correct - that is in line with the published DiMarzio color code.
Try the following, with all controls turned up and the pickup selector switch to neck position:
Measure from the switch terminal where the neck PU's red lead is connected to the input of the volume control - you should get zero ohms. If not, the switch is miswired or there is a break somewhere.
Then measure from the input of the volume control to the output jack terminal (put a cable in it and probe at the tip) - again you should get zero ohms.
Then measure at the cable from tip to shaft - you should get the reading of the neck pickup - if you measured the neck pickup disconnected before your reading should be a little lower as the volume control is in parallel with it).
Let's see if this gets us anywhere, then we'll take it from there.
Good luck,
Stephan
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