Safe to remove battery for winter storage?
When you do this you won't lose the tune on the pcm, but you will loose the temporary setting that the car was running on when you last drove it (idle relearn for example). But about fifty miles of driving will put it back to where it was before disconnecting the battery.
You don't want to discharge your battery and not recharge it immediately.
I drive my Camaro about once a month and each time I put it back into storge I disconnect the ground on the new Optima (3 year free replacement warranty). Tune always come back and the car starts right up.
Think about it. We don't have to reflash the pcm if we were to replace the battery because it went bad after 3-4 years.
Last edited by dlandsvZ28; Dec 11, 2005 at 02:34 PM.




