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Author Topic: 06 2.4L Electrical Problem  (Read 5722 times)
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Paulius005
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« on: August 31, 2014, 11:13:05 PM »

So I went into AutoZone to do change up my battery. Swapped it, and the car was simply dead. There are no lights, no ignition, if i turn the key no noises are made none of the dashboard lights up, nothing. The battery is brand new and has 12.5V. I checked the battery and ignition fuses along with the rest of the fuses. I checked the battery ground, engine ground and connections to the positive battery terminal, everything is ok.

This is where it gets bizarre. If I disconnect everything and leave it disconnected for around 30-40 minutes, sometimes I will have ignition again and all the lights on the dash will function, when I try to actually start the car, it clicks once and then everything dies again. If I leave the battery connected the car just stays dead indefinitely. I had a mechanic check it out before he closed down and he has no idea thus far, went through and checked most of the connections. I have a sound system, but for trying to get the car to start I completely disconnected anything extra.

On top of this, sometimes when I drive, the voltage sometimes goes down below 12V and the dash flickers, all the gauges go down to zero and comes right back up and I can keep on driving, but there is no consistency, sometimes it happens when I brake, sometimes on acceleration, sometimes just while driving at 30mph or 50mph. There doesn't seem to be a pattern of any sorts.

This happened before in the winter time when i was still in Chicago and it was -20 degrees outside, so I was convinced it was the cold. The same thing happened as it did today, but the car decided to just startup again after a few hours and it hasn't happened again until now. Now I am in the bay area in California, so weather doesn't seem like it would be an issue.

My car will be getting a thorough looking through on Tuesday, but until then does anyone have any ideas at all?

And just for fun, here it is being towed:
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Paulius San Jose, CA
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« Reply #1 on: September 01, 2014, 12:47:01 AM »

Check your grounds.

What happened to the old battery? What about the alternator wire? That would cause the problems you described while driving.

I'm wondering if it's the battery though. Have you tried another one? What about if you get a jump?
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« Reply #2 on: September 01, 2014, 09:06:43 AM »

I'm with Tim on the battery. I've seen in the past where plates inside are not secured properly and they touch occasionally causing a short internally. Try a new battery. Auto zone should be willing to replace it for you. Might have to convince the manager a little bit but they will cave.
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Paulius005
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« Reply #3 on: September 01, 2014, 11:52:42 AM »

The new battery is in. I went into auto zone to get a new battery. Any other grounds I should check than the ones I had already mentioned?
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« Reply #4 on: September 01, 2014, 01:12:10 PM »

So I went and put a bigger screw into the engine ground, wiped the dielectric grease off of everything, and checked my connections in the back of the fuse box. It started right up. I'll let you guys ponder what it could have been.
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« Reply #5 on: September 01, 2014, 03:40:17 PM »

It was a bad ground.
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Tim
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« Reply #6 on: September 03, 2014, 10:57:56 AM »

It was a bad ground.
100% agree
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