Question about 2005 Pontiac Grand Prix

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Car won't start after a 25amp charger removed

I took the cables off the battery and gave it a full charge but once I replaced the cables and tried to start the car it just makes a non-stop clicking noise and car will not start, what could this be and how can I fix it?

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  • rcolbert7 Sep 06, 2009

    Everything was fine before I put the charger on the battery. The only reason I did that was because every now and then I would have to press the gas a little in order to start it,and figured it was the battery. I tried what you guys said though and my battery is still showing to have 12.6v but as soon as I try to start it it clicks and keeps on clicking until I turn my key back a notch to the on position. I checked under the hood as it was constantly clicking and just noticed the alternator belt turning extremely slow and began to smell like a light refinery plant odor.

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One of the most common problems here before you look at the starter motor could be the negative lead, to easily identify this as a possible fault, run a jumper lead directly from battery negative to any clean area/bolt on the engine and try again,,,also check that both battery terminals and conectors are clean

Posted on Sep 06, 2009

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Check that the battery terminal posts and cable fittings are clean and firmly attached to the battery.
Check battery ground is properly attached to vehicle chassis, and power cable is securley attached to the starter solenoid.
Check battery will supply headlights or other loads without dropping its terminal voltage below 12 to 12.5V.
If battery voltage is below 12v under load you may have a faulty battery.
If all above ok, and battery charge is ok you may have a faulty starter motor/solenoid.
Check the ground bar under the carpet by the drivers door sill for corrossion.

Posted on Sep 06, 2009

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I would say your battery is bad. Even though you have charged it and the voltage is ok it fails under load. If the battery had to be charged in the first place then you have to suspect the battery anyway. Try charging it again an take it to a shop where they can load test and you will know for sure. This is usually free at battery specialists but remember the battery must be fully charged prior to the test.

Posted on Sep 06, 2009

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I believe you need to do the same and discover why your engine doesn't start in a similar way. For an engine to start it has to have fuel, spark, timing, compression and a decent cranking speed so when it doesn't start one or more of those things are missing. You need to discover which and then discover why.. OR you could call the auto locksmith first and ask him to ensure the immobiliser is properly and reliably disarming every time.

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or was the terminals (where the cables connect) cleaned due to some whitish build up ?

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I don't know


if the car starts with jumper leads and then turns off when u take them of then the alternator is not charging charge the battery replace alternator and it should be right mate and if u dont have a charger jump start again and the new alternator will charge it

rate my help

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