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Power to radio when Battery disconnected

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Old 04-24-2018, 01:22 PM   #1  
jshot00
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Default Power to radio when Battery disconnected

I thought I read somewhere that there was a way to keep power to radio when you disconnect battery for replacement. Hate to loose all the preset stuff on the radio!

Last edited by jshot00; 04-24-2018 at 01:23 PM.
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Old 04-24-2018, 01:43 PM   #2  
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You won't lose anything.
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Old 04-24-2018, 01:59 PM   #3  
jaredtxrx
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Quote:
Originally Posted by EVRose View Post
You won't lose anything.
You'll be fine.
You will only need to re-index your windows (and maybe seat presets).
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Old 04-24-2018, 02:08 PM   #4  
jshot00
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You won't lose anything.
Even if it a aftermarket radio??
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Old 04-24-2018, 02:20 PM   #5  
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Most modern radios, etc store the info to PROM, so will have no issues.
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Old 04-24-2018, 02:29 PM   #6  
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Originally Posted by jshot00 View Post
Even if it a aftermarket radio??
That I don't know but likely yes, you won't lose anything.
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Old 04-24-2018, 04:32 PM   #7  
bartsky
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In Kenwoods at last you can save all your radio settings, and recall them after power loss.
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Old 04-24-2018, 04:51 PM   #8  
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Even if it a aftermarket radio??
Have swapped batteries a couple of times since installing my Kenwood and have never lost any of my settings

Last edited by Welker1; 04-24-2018 at 04:52 PM.
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Old 04-24-2018, 05:44 PM   #9  
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I have a Pioneer radio and replaced the battery this past weekend. All radio presets were saved. Only had to index the windows.
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Old 04-24-2018, 05:54 PM   #10  
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Back in the day I wired a 9 volt battery to a cigarette lighter and plugged that in when i unhooked the batt...not needed now.
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Old 04-24-2018, 06:52 PM   #11  
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I guess by this message you're swapping the battery yourself. A battery shop knows to keep auxillary power on the car during the change-out.
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Old 04-24-2018, 08:34 PM   #12  
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Quote:
Originally Posted by ruxvette View Post
Back in the day I wired a 9 volt battery to a cigarette lighter and plugged that in when i unhooked the batt...not needed now.


This will work in a pinch.
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Old 04-29-2018, 06:32 PM   #13  
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I have a little 9volt battery plug for the cigarette lighter that I use which I bought on Amazon for a few bucks, and have never lost any settings or window indexing when replacing or disconnecting the battery.
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Old 04-29-2018, 06:55 PM   #14  
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Quote:
Originally Posted by bartsky View Post
In Kenwoods at last you can save all your radio settings, and recall them after power loss.
When I've disconnected my battery, my Kenwood lost all equalizer settings. This has happened on two different cars. I don't use the radio so I don't know about the presets.
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Old 04-29-2018, 10:01 PM   #15  
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I've had my battery disconnected many times and usually nothing is affected (other than the windows, of course). I've never had to reset the stations on the radio,

As the car has gotten older I've had to reset a few things. The clock a few times, the steering wheel once, and the latest occurrence I had to reset the driver-side mirror.

Go figure.
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