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Old 02-06-2006, 12:32 AM   #1 (permalink)
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Default Car Has No Electrical Power, Yet Battery Fully Charged?

really weird situation...

car acts like the battery is completely dead...no lights nothing...like the battery isnt even connected...yet when i take it off to test the battery, its fully charged, plus i have a new alternator...if i go to jump the car it wont really react, but it will give it like 3 seconds of power and the alarm "half assed" comes on, then it clicks multiple times(the clicking noise of like when your battery is dead) so i'm super confused on what could be wrong here..i checked the fuses in the engine bay and all seems to be fine..any suggestions guys? thanks
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Old 02-06-2006, 04:31 AM   #2 (permalink)
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either a bad cell or a loose ground somwhere.

Double check the battery wires. test them as well.
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Old 02-06-2006, 06:37 AM   #3 (permalink)
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Quote:
Originally Posted by beezel
either a bad cell or a loose ground somwhere.

Double check the battery wires. test them as well.
cell as in on the battery? when i take it out to charge, and shows full charge...would a battery with a bad cell still show full charge? its really strange cause the car ran fine, and then i let it sit for 3 days and it was completely dead...
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Old 02-06-2006, 07:23 AM   #4 (permalink)
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Quote:
would a battery with a bad cell still show full charge
yes.

Take the battery to your local parts store and have them give the battery a check. Also, like beezel says, check your ground wires and their contacts.
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Old 02-06-2006, 08:25 AM   #5 (permalink)
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Quote:
Originally Posted by Toddicus
really weird situation...

car acts like the battery is completely dead...no lights nothing...like the battery isnt even connected...yet when i take it off to test the battery, its fully charged, plus i have a new alternator...if i go to jump the car it wont really react, but it will give it like 3 seconds of power and the alarm "half assed" comes on, then it clicks multiple times(the clicking noise of like when your battery is dead) so i'm super confused on what could be wrong here..i checked the fuses in the engine bay and all seems to be fine..any suggestions guys? thanks
Start with the connections on the batteries. They go bad with corrusion.

Close the inspection holes tightly. Get baking soda and pour it ontop the battery without getting it inside the battery. Metal brush. Use it on the terminals and the posts. Make sure your posts are on real tight. Rinse clean and put those cables on tight.

Does it start? If not, then replace your battery cables. You got a open somewhere.

Adam in NYC
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Old 02-06-2006, 01:55 PM   #6 (permalink)
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Check where the battery lead bolts to the chassis.

Then check the lead where it connects to the starter
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Old 02-07-2006, 03:41 PM   #7 (permalink)
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Templar has a strong point "even if he is from Lancashire LMAO im a Yorkshireman" sounds to me the lead connecting to the starter is not right but from what you say it could be the starter itself!!! Do all the other electrical items ie lights etc work OK???
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Old 02-07-2006, 06:50 PM   #8 (permalink)
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Did anyone say fuseable links yet???
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Old 02-08-2006, 10:37 AM   #9 (permalink)
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I had the same deal a few weeks ago. battery tested 11.85 volts, and when tested by a shop, they said it was about 75% good. I replaced with a 60 dollar one, and the problem is history. Get the battery tested first, before going through all this other stuff.

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Old 02-08-2006, 03:37 PM   #10 (permalink)
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Quote:
Originally Posted by k12
I had the same deal a few weeks ago. battery tested 11.85 volts, and when tested by a shop, they said it was about 75% good. I replaced with a 60 dollar one, and the problem is history. Get the battery tested first, before going through all this other stuff.

K
You were right in replacing your battery. A new well charged battery needs to be at 14.2 to 14.6 volts. 11.85 is a dying battery.
Mike J.
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