Re: [DML] Water Temp Gauge / Sender / Output

["content22207" <brobertson@xxxxxxxxxxxx>]

This is how most vehicles (circa 1981 at least) do it. Allows you to
test for a bad sending unit by simply touching the wire to the block
(BRIEFLY! Leave it there too long and you'll burn up the tiny wire
that moves the pointer).

Bill Robertson
#5939

>--- In dmcnews@xxxxxxxxxxxxxxx, Martin Gutkowski <martin@xxxx> wrote:
> 
> ...because the gauge is powered byt he battery as well as using it to 
> generate a reading. The gauge has obviously been designed properly such 
> that it makes sure to adjust based on supply voltage.
> 
> The actual sensor is a resistor to ground which changes with
temperature.
> 
> Martin
> 









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