2006 Pontiac Grand Prix, cold weather car battery with system help.?

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  • 2006 Pontiac Grand Prix, cold weather car battery with system help.?


Answer #1 | 18/12 2013 01:52
You didn't state the age of your battery. Batteries, especially after several years, keep the original capacity on the sticker only - the REAL is down to about 50% of it, especially in very cold weather. If it's old, you might consider changing before the next winter. Buy the biggest battery that will fit in terms of CCA, such as 1000 CCA. The seller might try to convince you to "upgrade" (=replace) the alternator - DON'T: they aren't cheap. If the one they propose is, than it's below OEM quality, better stay away to avoid problems. You might also review your use the sub system in critical conditions like starting the engine first and then switching on the subs, reducing the duration, volume...
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