if you put it in reverse with the front windscreen wipers on but the rear one off, does the rear one do a single sweep ?
 
if you put it in reverse with the front windscreen wipers on but the rear one off, does the rear one do a single sweep ?

Good question, somebody is clued up. The switch in the gear box (if it is a manual) tells the Central Junction box that reverse is selected, the CJB then puts the rev lights on and also the rear wiper if the fronts are on. There is a fuse for the rev lights in the CJB F11 I think but check.
I see in another thread you were fitting after market reversing sensors, you might try disconnecting them.
 

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