Hi me again, after parking, or trying to park my new tractor (ford 7610 b reg 1985) on a hill the other day, and it not stay there, luckily I checked the hold before jumping out. I examined the handbrake cable, its a bit frayed so needs a new one, but I see there are holes on the mechanism, and wondered if I should have 2 cables, not one? Can anyone confirm please?