Just as a note for other Discovery II owners out there... I found good replacement bulbs for the 3 main instrument cluster "SPEDO" bulbs. These are nice because they are pre-painted in green, so you do not have to swap the silicone "sock" from the old bulb.
AutoZone
http://www.autozone.com/autozone/ca...mWhere=&itemId=453-10&displayName=Mini+-+Bulb
"BLAZER EXTREME LITES SERIES"
Type - 168G
Part Number - LT168G
UPC - 028845101416
AutoZone
http://www.autozone.com/autozone/ca...mWhere=&itemId=453-10&displayName=Mini+-+Bulb
"BLAZER EXTREME LITES SERIES"
Type - 168G
Part Number - LT168G
UPC - 028845101416