Quote:
Originally Posted by SouthArk370Z
The ECM will lose tuning trim data and will take a few miles to re-learn.
Why not leave the batter in the car? Put the tender under the hood and run an extension cord to it.
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I left mine in the car, but I disconnected it and taped the ends of the cables. Didn't like the idea of having it connected and on a tender for 7 months