[Vwdiesel] temp gage

[Mark Shepherd]

mikitka wrote:
> I was wondering why my temp gage reads slightly higher when driving at
night
> with the lights on. During the hot summer days it runs just barely
touching
> the center line on the gage but when I drive into work in the morning or
> coming home in the dark the needle runs straight up on the center line.
> This morning really got me because it was our coldest this year at 45 F/
7.2
> C and it ran the same slightly higher in temp and I even was running the
> heater inside the car. Could it be due to the difference in the
electrical
> voltage due to the draw of the headlights being on putting more of a load
on
> the alternator? Or even the extra heat in the dash from the dash
lights????
> Just seems odd to have two different readings.

Could be a grounding issue, or from different voltage when the alternator
is under load.

--
    Roger

On the Quantum it does this due to the hotwater flow out of the head and
passing the water temp sender 'stagnates with heater off!
Miser