The speedo and odometer up and quit working on my 96 disco and now when I am rolling at slow speed 7-8 mph the rpms will drop all the way down and the engine will die. It can be restarted and will idle just fine and drives fine except for when what I mentioned. I think is the speed sensor but I wanted to see if there is a possible fuse or another cause that I need to check before ordering the sensor. THe Disco has 136,XXX miles on it and this is the oem sensor.