Wow -- I was way wrong! The sender is a temperature-dependent resistor?

Shucks. I need to keep my mouth shut more often than I do.

--
Rocky J Squirrel
84 Westfalia: Mellow Yellow ("The Electrical Banana")
74 Westrailia: (Ladybug Trailer company, San Juan Capistrano, Calif.)
Bend, OR
KG6RCR

Scott Daniel - Turbovans wrote:
> lol,
> re
> "sender is a constant voltage source,
> or a constant current source."
>
> the sender is neither.
> but see Mark's post ..
> if mark drillock says vanagons have square wheels....believe. it.
> there isn't anything on this sort of issue he doesn't know everything
> about.
> Period.
>
>
> ----- Original Message ----- From: "Mike "Rocket J Squirrel""
> <camping.elliott@GMAIL.COM>
> To: <vanagon@GERRY.VANAGON.COM>
> Sent: Tuesday, July 06, 2010 5:43 PM
> Subject: Re: adding resister to center 1.9 coolant temp gauge?
>
>
>> This is a David Beierl question. Whether you add a resistor in series or
>> in parallel depends on whether the sender is a constant voltage source,
>> or a constant current source.
>>
>> Let's all step back, shall we? The David is about to speak...
>> --
>> Rocky J Squirrel
>> 84 Westfalia: Mellow Yellow ("The Electrical Banana")
>> 74 Westrailia: (Ladybug Trailer company, San Juan Capistrano, Calif.)
>> Bend, OR
>> KG6RCR
>>
>>
>>
>> Paul Guzyk wrote:
>>> My 1.9 style dash coolant temp sender died.
>>>
>>> I replaced it with a new one.   Now the gauge reads high, about
>>> 65%-70% when normal operating temperature instead of 50% (LED dead
>>> center) like the old one.
>>>
>>> I'm thinking of adding a resister in series with the new temp sensor
>>> to get the needle back in the middle.
>>>
>>> Anyone seen this before?
>>> What value resister/pot did you add?
>