[TR] Triumph Bendix Radio

[Randall]

> It has "ear com neg" written vertically on the side of 
> the can. Not 
> sure how that might relate to the terminals on the bottom.

That means that the mounting tabs are also the negative terminal.

> There are three spade connectors equidistantly spaced just 
> inside the outer 
> edge of the capacitor base

Those are the mounting tabs, so negative.

> and one longer wire connector more inboard.

Which will be the positive.

> With no power to the radio but the power switch "on" and the 
> polarity switch 
> set "up" all three spade connectors show a direct connection 
> to the power 
> lead and the wire connector shows a direct connection to the 
> chassis.

So that is the positive ground configuration.

> With 
> the polarity switch flipped "down" the three spades now show a direct 
> connection to the chassis and the wire connector shows a 
> direct connection 
> to the power lead.

For negative ground.

Randall