Help! My Wipers are Possessed!

[— kung fu jesus —]

Good luck!

[— Madaboutmx5s —]

Thanks all for the advice on this and a update so if anyone has something similar may save a bit of time if they are searching for a result. I had a play around with this before going away with work for a few days. Tried a spare different indicator stalk mech and this didn't make any difference. I then figured (Homer Simpson light bulb moment) that when the wipers were going off to begin with washer bottle was activity and drained washer bottle so this was likely the culprit and not the wiper motor/mech. Had a play around with the connections to the after market washer pump motor and (touch wood) this seems to have cured it for now as used the car for around 30 minutes today getting it warm and it didn't happen again.