Could very well be the wiper rack which is worn, meaning the rail that comes from the motor and connects to both wipers. Had to replace mine 2 times over the years. I guess the motor is fine when you see/hear it moving. Park switch maybe?

For wipers that are slow getting going and wipe, problem often is the issue of partial seizing of the spindle axle where it passes into the bulkhead. Another issue can be the lower bush in the wiper motor can going dry. Pull the little rubber...

Hi, Mine name is Mike. I have a 2003 Defender 110 Hi Cap. Just been through the nightmare of taking out the Wiper Gear/wheel boxes. Removed the motor to find that the cable was no longer attached so that’s why motor was running but wipers not...