rear fog light and interior light not working

[jamieMac77]

head scratcher! hi folks i recently disconnected the electrical cluster going to the passanger door and re connected with contact grease, ever since ive had a light bulb warning light on my dash now known to be rear fog light, interior light and lights for the blower speed , temperature control and fan direction lights have all stopped working , checked all fuses via multimeter and found no faults with any fuses , replaced the rear fog light and still not working any help??? thanks in advance