IF its like other nissans there is an 8 mm bolt that holds the reservoir to the mc
look for it low down on the left (passengers) side
i used degreaser to clean mine and if you GENTLY wiggle it upwards when you remove it you wont damage anything
if the driveline is not vibrating from any possible misalignment then simply get the exhaust pipe rebent (!) ever so slightly to get the clearence you need
wiring/electrical issue problem resolution seem to be out of the reach of most on this forum hence why there is no subforum, time for you to see an electrician