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#1 john j

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Posted 22 July 2014 - 12:16 PM

I need to disconnect the battery on my cmax. But i dont have a radio code.
Is it possible to save the radio and engine management settings by connecting the leads to a battery charger before disconnecting them from the battery ?

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#2 jeebowhite


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Posted 22 July 2014 - 02:20 PM

depends why you need to disconnect the battery, you can use a battery saver which will allow a tiny trickle to keep these alive, but it really depends on the overall purpose.

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