If a wire wasn't shorted it wouldn't work. What you have is an intermittent open!
Electronics is smoke and magic. If you let the smoke out of something it doesn't work anymore - the magic is getting the smoke back in.
County Line 6ft finish mower, King Kutter 5ft bush hog, King Kutter 4ft tiller, King Kutter Carry-All,
King Kutter 60" Box Blade, Ferguson 12-AO-40 2-bottom plow, County Line Middlebuster, Home built pine needle rake.