2 - The switches ( 34 ) and (35 ) on the front RH and LH door pillars have been modified. - Feed leads Be 34 replace feed leads 34. - The two earth leads Mr 48 did not exist before. 3 - Since February 1968 an earth lead 49 has been fitted to the windscreen wiper motor ( 23 ). One end is fixed to the windscreen wiper motor flange assembly screw, and the other end to the LH securing stud on the windscreen washer reservoir support.