Twist the wires???
Some silly bastard at Eurowings did exactly that with a hi-level float switch recently on D-AQUA. Unacceptable. If you cannot or will not perform maintenance on aircraft correctly, you do not belong in this industry.
It is worth mentioning the new Emb190's your BAe146 fleet is being replaced with is not highly tolerant to crappy substandard wiring practices. Especially FBW P-ACE channels.. Tit..
BAe