it's easy, get you a solder gun, some thin solder and some small heat skrink tubing.
you don't even have to take the stings off most of the time.
there are plenty of wiring diagrams online.. check out seymourduncan.com
i'm about to swap a seymour duncan into one of my bc riches.
funny that your name is EMG..
if you like them hot and dirty.... i took the pickup out of a $100 epiphone les paul from musician's friend. they guitar was free and a piece of shit, but the pickup is fucking awesome. now i love the guitar i put it in. it's phat and nasty.
'91 ls1 coupe
'86 yamaha razz - pink, with nitrous
'78 puch maxi-luxe