I struggled at first because I've got two LeadsDid you just replace it then Tom and bingo, fixed?
And they was both scrap so I was testing it with the other lead to rule it out,
One day I tried a caravan lead and it was perfect,
pft standard cables that come with the ritmo are s***
The cables twist and snap inside the flex,
Go to the Electrical wholesalers buy cable and 16 amp fittings make your own mate