My under bonnet light wasn't working either so I took it apart, there is a guide here which I kind of followed -
Under Hood Light not working - Pelican Parts Forums
Mine still didn't work though as there was a gap between the mercury switch and contact plate, so I used a piece of aluminium foil to fill the gap.
Works great now
Under Hood Light not working - Pelican Parts Forums
Mine still didn't work though as there was a gap between the mercury switch and contact plate, so I used a piece of aluminium foil to fill the gap.
Works great now