Why does my battery die as soon as I connect it?


Asked by Sep 05, 2016 at 03:09 PM about the 2004 Ford Focus ZTW Wagon

Question type: Maintenance & Repair

My daughter was driving, dash lights flashed, all lights went out, car died, battery dead. After fully charging, it dies on connection - ignition off.

4 Answers


You may have a major short between the two battery terminals - clearly something fried and is creating a short. Check battery cables for continuity and shorts.

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Could be a bad battery, just won't hold any load.

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After charging the battery again, I noticed while on the charger, the green light came on saying it was fully charged, but every few seconds now it's dropping back to 75% on the gauge, It's going back and forth now. Could this mean a short in the battery?


Yep, your charger should start off with almost full charge then slowly drop off to around 1.5 amps and stabilize there, it should not switch up and down. I would replace the battery.

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