behind the boot lid interior facia at the left side is a tilt switch.this will be badly corroded inside.it is not repairable . i by-passed this switch and fitted a rocker switch beside the interior lamp . keep the earth connectoin in the lid . cut the live going up to the lid and connect to one side of a 12 volt switch to the other side of the switch connect your lamp .
PUG MAN
December 2013