Rewiring these is a piece of cake. (( Double dutch chocolate two layers with dark chocolate icing all the way around please
)).
Seriously they are not that complicated. There are wiring diagrams all over the internet. And if you want PM me your email addy and I'll email you ..... if I can figure out how .... the diagrams.
As Rodney said you'll need some soldering skills and a good pinpoint soldering gun or iron. Done a few, none have gone up in smoke.
Joe