Cut it, separate the wires, re-attache the wires, shrink wrap or seal with liquid electrical tape, voila, back and business all for the price of about 20 minutes worth of work.
Hi.My MMM esc did the same thing,the wires weedled their way under the spur gear.I just cut the wires,soldered,& shrink tibed 'em.Got reverse I didn't have too:)