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Discussion Starter #1
When stacking a Programmar (Smarty) with a box that plugs in under the hood to you need to disconnect the box before you download the programmar?
 

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Discussion Starter #4
ok thanks I just wondered if it would mess with the box at all or take the box's tunes away.
 

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I have never disconnected my juice when changing things with the Smarty and had no problems.
 
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