I like to keep things standardized - makes repairs easier.

I made the same sort of mod to my 33% L-4 - dumped the sloppy bell crank design and stuck GS servos between two ribs inline with the aileron control horn.

I used servos 'as is', and cobbled up the wire runs by using the female end of a heavy duty servo extension soldered to shielded 18 ga. audio cable. The wire run terminates at the wing root with a 4-pole audio connector, and the wing root in the fuse has a mating 4-pole receptacle.

I hot-glued the wire run to the ribs.

The wire run reaches into the rib bay where the servo is, and with a removeable cover it's simple to change servos. I use hot glue to prevent the servo connectors separating except when I want them separated.

It would take about 10 minutes to change an aileron servo if the need arises - presuming the model survives an aileron servo failure, of course.