John, UK. wrote:

> Hi Stu,
> When the light is dim and the other is normal it could be the earth to
> the bulb,

Almost certainly an earth somewhere. Not the switch cos that would affect
them all

> I had trouble for months with the rear fog warning of bulb
> failure, then every time I got out to check, it was ok. It turned out
> to be the earth termial in the bulb holder, making and breaking contact
> with the bulb with the smallest of vibration. After bending it very
> slightly it was cured and no more bother. to check the earth, get a bit
> of wire, and with the break pedal pressed connect to a good clean earth
> point then touch the other end onto the side of the bulb itself, [WHILE
> STILL IN THE HOLDER] it should go bright, if not you may have to get
> the wiring checked by an auto electrician.

Aye

John, when you reply to a post, it makes things a lot easier if you leave a
chunk of the text you are replying in

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