<VV> Oil pressure sender for the dash light

[Jim Houston]

Try 1972 Vega....

Jim Houston
'65 Corsa

Stephen Upham wrote:
> I've been thinking about this problem, and here is my take. The  
> original sender switch for the dash light works like this.  When  
> there is no pressure, the sender is grounded and the light comes on.   
> As the pressure increases during startup, the sender looses ground  
> and the light goes off.
> On the sender from Cal, the opposite happens.  When there is no  
> pressure, the sender breaks ground and no electricity is fed to the  
> fuel pump.  As pressure increases during startup, the ground is made  
> and electricity flows to the fuel pump.
>
> In that case, I would not be able to use the shutoff sender to work  
> the dash light.
>
> Now, if I'm correct in my examination of this circuitry, is my  
> solution the Vega type sender, and if so, what year model Vega will I  
> ask for when the inevitable question of "what's the make and model"  
> of the car comes up at the local FLAPS?
>
> Stephen  Upham
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