Name that pink part on j150

[chuckee53]

I have 1984 johnson 150 on port side of motor there is a pink part with a small fuel line and two wires going into it when I prime carbs this part pisses gas. I assume I need to replace it but I dont know what its called or whats its any body know Im trying to post a pic if i can thanks

 

[haffiman37]

It's the vacuum switch.
Gives alarm signal if suction gets too high in the fuel system from tank to engine.

 

[joereeves]

Yep, what Haffiman37 said..... warns you with the same type horn alarm as overheating (steady constant beeeeep) if a fuel restriction is encountered.