hello. have to replace my abs lead on th nsf. passanger side front. had it on a fault finder becouse the abs and traction control light was on after i changed the pads. tried cleaning the sensor but no joy. the fault code come up as abs on front left so going to get one the maro. had a look the day at it when the lead goes up in to the arch it looks like its going under to pollin fillter anyone no were the lead goes after it goes through the arch? any help will be great. thanx.