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No crank after battery swap

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Brand new 600 cca battery wont start under own power. Jumps fine. Even batter went into another car and started immediately....馃し鈥嶁檪锔弆oss for words 馃槕馃槕
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What have you done so far. Be more verbose. What year is your car to begin with, what have you done, what is the behavior, and why do you think the alternator is the problem and not the battery. This is how you should start any technical post.
 

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Discussion Starter · #5 ·
14 focus se. Stock as none other. 80k. Was experiencing weak startups as it got colder in tx. Left car at airport for my honeymoon. Barely started then. Swapped the battery as the technician stated it was bad. Installed new batt and multi click startup. No feeble attempt at turning over.
 

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Okay, be VERY certain that there's no gunk blocking the connection on the posts and that they are tightened well. Do you have a way to measure the voltage of the battery? If you do, what is the voltage and can you jump start the car? What is the voltage while the car is running. It's not impossible for a brand new battery to be defective.
 
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