And if you happen to have a buzzer that works with either polarity, try
adding a diode in one of the leads.

Larry A.

On Thu, Apr 9, 2015 at 1:34 AM, David Beierl <dbeierl@attglobal.net> wrote:

> Take a polarized buzzer that won't buzz if the polarity is backwards,
> and solder on the ends of the leads two little tabs of flashing
> copper, 1/4" wide and 3/8 long.
>
> Pull fuses S20 and S19.  Insert the copper on the positive lead
> partway into the S20 socket and plug the fuse back in so the copper
> is trapped between fuse and socket contact.  Do the same with S19 and
> the negative lead.  Try the headlights.  Attach the buzzer nearby
> with foam mounting tape.
>
> S20 is the parking light circuit, and S19 is connected to the 15
> circuit that is switched by the ignition key.  If lights are on but
> key off, the buzzer will sound.
>
> Yrs,
> d
>
> --
> David Beierl -- dbeierl@attglobal.net
>