Most newer radios have two power leads.
One for retaining memory of your presets and keeping the clock function
active.
The other for main power.
Read your owners manual on your radio.

Stan Wilder
On Mon, 25 Mar 2002 21:56:22 -0600 Jeremy Speer <jspeer@POBOX.COM>
writes:
> Folks,
>
> So... i think my radio is possessed. Originally i thought the
> "always on"
> power wasn't always on since every time i shut off the vehicle the
> radio
> forgot all its presets.
>
> This evening i was replacing my dashboard lights (yeah! they all
> work now)
> when i clicked on the radio for no reason. The ignition key was
> off... but
> the radio had power!
>
> I programmed three stations, turned off the radio, turned it back on
> and the
> presets were gone. Well, TWO were gone. The one in preset 2
> remained. But i
> can't change preset 2 now... it's perma-programmed.
>
> I'm not sure what to make of this. The previous suggestions were
> based on my
> incorrect assumption the radio was just losing power when i shut off
> the
> engine. Have i found an undocumented feature?
>
> Regards,
>
> -jspeer
>
> '89 Westy still not-yet-named
>

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