Re: Pusbutton schematics.

Posted by BH On 2011/9/9 12:30:48

Howard -

Oops, I didn't think that through far enough.

I was looking at the diagram in the Auto-Lite manual, rather than your updated one, but I didn't even pay attention to the control (battery) relay, which interrupts power feed to the pressure switch.

Of course, that circuit should be opened to deactivate the buttons when ingition is not switched on.

The control relay was eliminated, once it was realized that the park relay could perform same function. However, when the part relay is eliminated, the circuit is controlled directly by the ingition switch.