Some LED light bulbs (as distributed) are polarized. In other words, they work in one direction, but not the other. (technically all LEDs are, but some makers put circuitry in place so that you don't notice that.)

On Nov 23, 2011, at 4:19 PM, Alan Felder wrote:

> Yes, and they don't work for the heater controls at all.  Went back to a
> bulb for that one !
>
>
>
> --
> Alan Felder
> Austin TX
> 82 Diesel Westy
>
>
> On Wed, Nov 23, 2011 at 3:02 PM, Alistair Bell <albell@shaw.ca> wrote:
>
>> The light comes out of the LED more from the tip than from the sides and
>> that is not the best geometry for the Vanagon bulb housing.
>> cheers
>> '
>> alistair
>>