740 windscreen wipers keep stopping

[Sean]

I have a problem in that my windscreen wipers operate slowly or stop
midwipe, is an intermitant problem, I have a new battery and all other
electrics work ok any help appreciated.....thx..

 

[James Sweet]

I have a problem in that my windscreen wipers operate slowly or stop
midwipe, is an intermitant problem, I have a new battery and all other
electrics work ok any help appreciated.....thx..

It could be the ground wire to the motor, or possibly the park switch inside
the motor gearbox.