Ferrari Mailing List: Mondial Tach cam sensor Where is it?

[rick Baumgartner (rickwr250]

Hi guys,
Hoping one of you experianced guys might be able to help.
I recently bought a nice 87 Mondial 3.2 which runs nice but the tach registers just over half of what it should be.
I've read this is a common problem and that it is the tach cam sensor that needs replacing.
Does anyone know what the correct name of the sensor is and exactly where it is located on the 3.2 motor??
If I knew where it was I could check for a loose connection before ordering a new part.
 
Thanks a bunch for any advice you can offer.
 
Rick