Re: Temp Sending Unit Busted -- Problem?

["Lebens, Rick J" <M245884@flt-test-02.mdc.com>]

>I'm about to replace one on my '90 90Q20V, and soon my '89 100Q will
>need one, too. It doesn't really "harm" the car, but it makes it
>run like it's cold; a little rich on fuel, not at full ignition

Is this really the one that goes to the ecu or is there a seperate 
thermistor for the Bosch part of the system.  The Bentley for my  '91 90Q20V
 didn't grace me with a wiring diagram.  Also where is this located on the
 engine.