there was a problem with wiring looms on these where it runs under the headlight,i think water collected in a `u` in the loom and caused problems,worth a look,also check your fuses
cdc
February 2013
I know nothing of motor vehicles but the fault symptoms you report strongly suggest a common fault - have you checked the earth return for these lamps? I would put money on it.
Good luck...
Peccavi
February 2013
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