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Discussion Starter #3
i heard you can rig a 9v battrie to one to keep from having to do the radio crap when you replace your battry

is this true ?
 

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In theory that will work to retain your radio presets. I have never tried it on a car before, but it sounds like it might be worth a try. Just hook it up, minding the polarity, and provided you dont have any thing else on (not even a light) it should give you power to your presets for quite a while (way longer than it would take to change a battery)
 
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