he is reputable.
But what you want to do is just buy some motor connectors. They crimp on no soldering. They are a few bucks. Airsoftparts.ca should have em, airsoftstore too. Its an easy fix. Cut off the old one, strip a bit of the wire and crimp it in with some pliers. Heat up the newheat shrink with a blow dryer or carefully with a lighter. Done! Good luck
edit:
http://www.airsoftparts.ca/store2/in...oducts_id=1748
There ya go. Two 90° two 180° and heat srink. 4.50