Please help me source this part…

[Glen Davis]

I have a 1984 M20J. I need to replace the pressure switch for the annunciator light for the vacuum.   Can anyone help me with a part number and a source for this switch?  Thanks. 

[EricJ]

You can download the Illustrated Parts Catalog at the link below, which will help you find part numbers for everything on the airplane.

http://mooney.free.fr/Manuels M20J/M20J/Mooney M20J Illustrated Parts Catalog.pdf

[PT20J]

See Mooney Service Bulletin SBM20-210.