Check fuses. Rotate them(i assume you have old type) to make better contact.
If this turns out to be a problem clean fuses and holders to remove oxidation.
Those old fuses have very little contact area and always hot due to high
resistance
caused by oxidation.
Leon
85 Subwagen Westy

Doug Alcock wrote:

> Hi gang,
>
>      My driver's side low-beam and parking light have ceased to function. The
> high-beam and turn signal still work. I know it's not the headlight because I
> put in a new one last night. Does an explanation for this spring to anyone's
> mind??? I put an auxiliary battery in on the weekend so I was 'messing' with
> wires under the dash.
>
> TIA
>
> Doug Alcock
> '84 Westy "BlueBelle"
> Toronto, Canada