I've had this happen on 2 cars. My 1968 Ford Fairlane and now my 1987 Citroen 2CV.
With the Fairlane I got so tired of this I removed my Sanyo tape deck and installed one of those "old school" analog radios which sounds awful. I was taking the memory signal off the cigarette lighter.
So the other day I almost finished up my radio installation on my Citroen and now it is doing the exact same thing! I tapped into the "always hot" wire coming off the ignition switch since this car was not wired for a radio from the factory.
The radio I am using is a Pyle which I realize is not top notch but sounds better than car radios of the past.
I have not got the speakers permanently mounted yet. Long story.
My guess is when I crank the engine over, the starter motor pulls so much power it causes a massive voltage drop so power going to the radio falls below the voltage threshold of keeping the radio memory presets.
I have not had this happen with my other cars. I would guess the battery maybe a bit weak? But even with those cars, when the battery was too weak to crank the starter over, I never lost any presents.
Any idea of how to solve this issue? Besides installing a battery for a diesel pickup truck with twice the cold cranking amps?
My idea was to find a small rechargeable 12 volt battery and place it between the ignition switch and radio along with a diode. That way the battery stays charged but doesn't try to back feed the electrical system and drain it.
Trouble is I have yet to find what I am looking for. I'd like to find one slim enough and secure it underneath the battery with Velcro.
I've seen those devices that you plug into a 9 volt battery into which plugs into the cigarette lighter that is supposed to hold the presents if you disconnect the main battery.
Any idea if using a 9 volt battery instead of the car's battery to power the presets would last any length of time?
Anybody ever had this problem and found a solution?
With the Fairlane I got so tired of this I removed my Sanyo tape deck and installed one of those "old school" analog radios which sounds awful. I was taking the memory signal off the cigarette lighter.
So the other day I almost finished up my radio installation on my Citroen and now it is doing the exact same thing! I tapped into the "always hot" wire coming off the ignition switch since this car was not wired for a radio from the factory.
The radio I am using is a Pyle which I realize is not top notch but sounds better than car radios of the past.
I have not got the speakers permanently mounted yet. Long story.
My guess is when I crank the engine over, the starter motor pulls so much power it causes a massive voltage drop so power going to the radio falls below the voltage threshold of keeping the radio memory presets.
I have not had this happen with my other cars. I would guess the battery maybe a bit weak? But even with those cars, when the battery was too weak to crank the starter over, I never lost any presents.
Any idea of how to solve this issue? Besides installing a battery for a diesel pickup truck with twice the cold cranking amps?
My idea was to find a small rechargeable 12 volt battery and place it between the ignition switch and radio along with a diode. That way the battery stays charged but doesn't try to back feed the electrical system and drain it.
Trouble is I have yet to find what I am looking for. I'd like to find one slim enough and secure it underneath the battery with Velcro.
I've seen those devices that you plug into a 9 volt battery into which plugs into the cigarette lighter that is supposed to hold the presents if you disconnect the main battery.
Any idea if using a 9 volt battery instead of the car's battery to power the presets would last any length of time?
Anybody ever had this problem and found a solution?