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02-20-2008 04:52 PM #1
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Keeping radio presets when you disconnect battery
I always disconnect the battery in my cars when i'm not using them, I have found that it helps keep the battery up longer. I had an aftermarket digital radio that kept the presets even if the battery was disconnected for a month. I just put in a new radio and it looks like it looses the presets. What can I do? is there a way to put in a 9v battery backup or something? Thanks!First On Race Day
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02-20-2008 04:55 PM #2
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I am sure you could use a back up battery....Why not use a battery "tender" I think thats what there called. Just plug up your extension cord and everything stays charged. I dont know but is it better to leave the battery connected or disconnect for storage. Some thing about rust setting in faster when there is no charge in the car????Last edited by BigTruckDriver; 02-20-2008 at 04:58 PM.
Friends dont let friends drive fords!
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02-20-2008 07:18 PM #3
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When I asked the radio manufacturer that's what they suggested too, but with any old car I feel more comfortable with the power shut off with the old wiring, even with it in good shape. I would think there's a way to hook a 9v battery to it to keep the memory or something....First On Race Day
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02-20-2008 07:34 PM #4
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Denny awsome!! I forgot about those!! I'll pick one up tomoro!First On Race Day
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02-21-2008 05:57 PM #5
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Hook a 9 volt battery to a cigarette plug. Plug it into the cigarette socket and it will back feed the system and keep the radio presets.
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02-21-2008 05:57 PM #6
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Hook a 9 volt battery to a cigarette plug. Plug it into the cigarette socket and it will back feed the system and keep the radio presets.
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02-21-2008 08:51 PM #7
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I like the cigarette plug idea.
If you put 12 V to a 9v battery it could ( potentially ) explode the battery.
fyi.
Education is expensive. Keep that in mind, and you'll never be terribly upset when a project goes awry.
EG
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02-21-2008 09:17 PM #8
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https://www.autobodytoolmart.com/p-1...ID=60912917022
"Saves the memory of the on-board vehicle computer when the battery is disconnected
Plugs into cigarette lighter
Use with 9volt battery (not included) Price: $8.99"
I'm thinking DennyW is talk'nBout this thing or something like it ....
T L
edit: L - K there so close ...Last edited by treekiller; 02-21-2008 at 09:33 PM.
"Whad'ya want for nuth'N, ..............aaa,rrrrrubber biscuit... ?"
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If your wondering how I'm doing I'm > " I'm still pick'N up the shinny stuff and passing open windows
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02-21-2008 09:22 PM #9
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Im thinling to.
Originally Posted by treekiller
https://www.autobodytoolmart.com/p-1...ID=60912917022
"Saves the memory of the on-board vehicle computer when the battery is disconnected
Plugs into cigarette lighter
Use with 9volt battery (not included) Price: $8.99"
I'm thinling DennyW is talk'nBout this thing....
T L
Friends dont let friends drive fords!
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02-22-2008 02:46 PM #10
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I keep a battery tender on all my cars during the off season, not to retain the radio stations, but to keep the battery fresh. I can easily reset a radio, but charging or replacing a dead battery that's not only heavy, but mounted to the car frame is a pain in the butt.
The cigar lighter deal looks good to me, too.Bob
A good friend will come and bail you out of jail....but a true friend will be sitting next to you saying..."Damn....that was fun!
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