My ever so reliable HIDs that I bought from hids4us 28 months ago have started to play up. Sods law they're 4 months out of warranty.
Approx a couple of months ago I would get an intermittant failure of either headlight. Sometimes it would be weeks before one would play up again, sometimes every day. Sometimes the left, sometimes the right. Fortunately not both at the same time. A quick switch off and on of the headlights got them working again though.
However last night the offside one went off and stayed off. I did notice though that when I switched the headlights on, the faulty HID briefly but faintly flashed as it tried to strike up. The ballasts have a blue LED on them which remains illuminated when either HID bulb goes off. It's probably just a power in indicator, rather than power out.
I swapped the bulbs round this morning and can confirm the offside HID bulb was faulty. The quartz glass is also discoloured - which would explain why the offside light looked duller in appearance and not crisp white when compared to the nearside one recently.
My question is, would a HID bulb that's about to fail cause the light to go off at random intervals, or is there also a fault with the ballast(s)
Headlights look odd at the moment as I've got one HID bulb in one side and a halogen bulb in the other - lol. Presumably it's not illegal to have odd coloured bulbs in the headlights?
Have ordered a pair of new HIDs from ebay for £10.49, inc p&p. hids4us wanted more than double that. Hopefully the photo description on ebay isn't a library pic as they look exactly the same make as originally supplied.