number plate lights not working

[barney43]

hi all , does anyone have any idea's just changed number plate light bulbs only one working. Renault sencenic 2000 model
any comments would be appreciated
regards barney

 

[badgerchief]

have you tested the bulb that`s not working ?
could be a dud?

 

[badgerchief]

have you tested the bulb that`s not working ?
could be a dud?