I've wired up the pickup in a guitar like this:
(http://yano.lardpirates.com/electronics/images/pickup_wiring.jpg)
Could this wiring configuration cause pops?
The diagram looks 'good.
Does it pop when you hit a note or the body of the guitar?
Rephrase...does the pop seem amplitude triggered, or does jiggling the guitar activate the pops?
What value cap did you use?