General take a look {what is this ?}

[fiatuno320bhp]

can some one tell me what this sencer is ? this is my prob taken the wire off and it is rite? what dose it do

 

[Biz]

Its an OverBoost switch

It cut fuel delivery above 0.75 BAR (I think its 0.80 BAR)

The engine wont rev above 4-4.5K from memory (i had its with my 1st UT)