That's a capacitor, Jay. It goes across the points.
Theo
On 2012-04-14, at 9:05 AM, " Ron Fraser" <rfraser@bluefrog.com> wrote:
> Jay
> I'm not the electrical guy so I maybe wrong here.
> I have never seen a flat diode. They are cylindrical with a band mark for
> the - side, I believe.
>
> If there is a number on the component Google it to see what you have.
>
> My first guess is you have a condenser or capacitor.
>
> Capacitor goes parallel to the points
> Diode goes parallel to the coil
>
> That uses up just about all my electrical knowledge; hope it helps.
>
> Ron Fraser
>
> -----Original Message-----
> From: tigers-bounces@autox.team.net [mailto:tigers-bounces@autox.team.net]
> On Behalf Of Jay Laifman
> Sent: Saturday, April 14, 2012 10:30 AM
> To: tigers@autox.team.net
> Subject: [Tigers] SU Fuel Pump Electronics HELP
>
>
> When I took apart my SU fuel pump, there was a large orange cylindrical
> electronic piece that was parallel to the points (obviously my dad would
> know instantly if this is a resistor or a condenser). So, one end was
> attached to the points ground the other end was attached to the points
> power.
>
> The rebuild kit came with a replacement that was not a large cylindrical
> piece but a small flat round piece. Still with two wires.
>
> The exploded picture of the fuel pump from the parts list shows a single
> wire condenser.
>
> The instructions with the SU rebuild kit says:
>
> "Where a diode resistor is fitted it is in parallel with the coil
> connections. This component is polarity conscious and therefore all
> connections must be correctly made. A condenser, where fitted, is not
> polarity conscious."
>
>
> Here are my questions:
> (1) I am assuming that both of these are diode resistors. Is that
correct?
> (2) The instructions say across the coil. But the way it was assembled
was
> across the points. Which one should it be?
> (3) How can I determine the polarity of the flat diode I have? I will say
> that the soldered on ends have different sized holes and the mounting posts
> are different sizes. So, it really only can go one way. So, if it is
> supposed to go across the points, it will go one way, if it is supposed to
> go across the coil, it will mount another way. Also, not only do the
> soldered on ends have different sized holes, they are bent up so actually
> they only really want to go across the coil, like the instructions say.
> But, I'm concerned because the way it was assembled was across the points.
>
> THANKS!!!
> Jay
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