Replacing side repeater lights 1987 90.

The MOT tester says that the side repeater indicator lights on the front wings are in need of replacing for the next test. Only two small bolts to
deal with, but wait, how the hell do you get to them? They are hidden between the inner and outer wing and there appears to be no way to get to them. Anyone dealt with this problem and know how to get access to them? Remove the headlights and bezel perhaps?
Bob Hobden 1987 90 Utility 2.5 petrol
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