Converting Renault 4 Headlamps from LHD to RHD

Headlamps focus light relatively low down to avoid dazzling drivers in the opposite direction, but the beam rises towards the side of the road so you can see street signs.

Unfortunately, Left hand drive headlamps work in the opposite way to right hand drive headlamps.

The rear of the headlamp has a cut out to locate the bulb. To convert a headlamp from LHD to RHS it is necessary to twist the bulb to a new position, so a new cut out needs to be filed into the headlamp to locate the bulb (arrowed).

The position of the new cut out can be established by driving up to a wall and switching on the dipped beam headlamps. The bulb should be twisted around so that right part of the beam is level, and the left angled upwards.

The same goes for changing right hand drive headlamps to left hand drive, and this comes in very useful for continental touring holidays.

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