Trevor Jordan wrote:
>
> >If the TR6 turn signal indicator lamp is connected both the left and
> >right turn signals, then the solution is to use 2 diodes with the
> >buzzer. Any 2 diodes will do.
> >
> >Connect the anode of the first diode to one side of the lamp. Connect
> >the anode of the seconde diode to the other side of the lamp. Connect
> >the cathodes (banded ends) of both diodes together and to the red wire
> >(positive side) of the buzzer. Connect the black wire (negative side) of
> >the buzzer to ground.
> >
> >The diodes will steer current (they're called steering diodes in such an
> >application) from the side of the lamp that has positive voltage (if
> >any) to the buzzer without bypassing the lamp.
> >
> >--
> >George Richardson
> >'57 TR3, TS15559L
> >(getting ready to paint - and now on the web!)
> >http://www.merlingroupinc.com/tr3.htm
>
> Thanks, this should be a much better configuration than my suggestion of
> using a bridge rectifier to connect the buzzer across the indicator lamp.
> It gives the buzzer a direct connection to ground, rather than through the
> opposite turn signal lamps, so that there is no need to worry about the
> effect of the voltage drop across those lamps on the operation of the 12V
> buzzer.
>
> As you point out, it also will not shunt current from the indicator lamp;
> although it appears that this lamp has now been appropriated for a dozen
> other purposes.
>
> Trevor Jordan
> 74 TR6 CF29281U
Wow! This ios the first time I really got a thread going! If I'd known
how complicated this was, I would never have attempted it!
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