Hi my name is ***** ***** is the appliance working correctly just the light intermittent Allan?
OK the power feed for these goes through the thermostat, if the thermostat goes faulty then you can also lose the feed to the light fitting. If you can give me your PNC number I can give you the part number for the replacement part you need. PNC is a 9 or 11 number code on the rating label inside the unit on the side or behind the salad draw.
Power is feet from the supply to the thermostat, a side feed then supplies power to the interior lamp via the door switch. The main feed however goes through the thermostat and on to the compressor (motor). If you have no compressor feed then you have a faulty thermostat. The part number for the thermostat is(###) ###-#### The housing is removed by taking out the lamp (bulb) and there is a retaining screw which you must undo and also checking behind the thermostat knob to check there isnt one there too (usually not) you then gently push the housing backwards and it should lift out.
Would you now kindly rate the information given by selecting from the star rating system at the top of the page, once done all further questions (if needed) are free of charge. Thank you for using JA and have a nice day - Ian