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Discussion Starter · #1 ·
So, as the title says, I recently replaced the alternator and battery after losing power while driving and nearly not making it home. I took the alternator off, with much difficulty, and took it to be tested to confirm that it was at least part of the problem. The auto parts store said that the alternator did need to be replaced. I purchased a new, not rebuilt, alternator from RockAuto (Pure Energy brand, manufactured by Mitsubishi) and put it on a couple weeks ago. Even after charging the battery that was in the vehicle at the time I was not able to get it started. Fortuitously, the battery was just inside the replacement window and I was able to get a new one at no additional cost. They didn't test it or anything but I took the new one home, put it in, and it started right up. So I figured it was fixed. It ran fine for a couple of weeks until yesterday when I went to start it and all I heard was the starter clicking. I had to be somewhere so I just took a different vehicle. When I returned, I tried again to start it even though I knew it wouldn't, and the starter clicked again, and then there was an audible clicking inside the vehicle that would not stop until I disconnected the battery. I'm not sure if that's a symptom of anything as "newer" cars with this electrical wizardry, and this car in particular, seem to do strange things when something isn't right with the electrical system. As a side note, when I was first trying to confirm if the alternator was indeed the culprit, similar to the nonstop clicking inside, the lights came on and stayed on (albeit dimly) until I disconnected the battery.

Long story short, I replaced the alternator and battery with new ones, ~2 weeks later the battery appears dead and the vehicle will not start. Any ideas as to what could be killing the battery? I really don't look forward to pulling the alternator out again to have it tested and I'm not even sure if they can test to see if it's draining the battery when the car is off.

Any input is greatly appreciated because this is quite frustrating to say the least.

Thanks.
 

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"then there was an audible clicking inside the vehicle that would not stop until I disconnected the battery"

I observed that on my car recently when the battery was drained. Clicking stopped after a min or so. In my case, I had not driven in the car in over a week. My usage lately has been less than 5 km trips. How is your driving usage these days? If you're doing shorter trips then the battery doesn't get charged enough and hence you're running into these issues. If it's shorter trips then I'd recommend using a battery charger once a week or so.
 

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Discussion Starter · #3 ·
I suppose this is a possibility. It was previously being used for shorter trips around town, but I've been taking it on longer ones to try to narrow down this issue. It doesn't make much sense though because before the alternator went out it was getting the same type of usage and I never had any problem at all.
 

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I suppose this is a possibility. It was previously being used for shorter trips around town, but I've been taking it on longer ones to try to narrow down this issue. It doesn't make much sense though because before the alternator went out it was getting the same type of usage and I never had any problem at all.
Check the negative battery terminal cable ground connection under the battery and at the CVT. Replace the cable if there has been battery terminal corrosion in the past for a length of time.
 

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Have your replacement alternator load tested to be sure it's good, many of them are not...
 

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So, as the title says, I recently replaced the alternator and battery after losing power while driving and nearly not making it home. I took the alternator off, with much difficulty, and took it to be tested to confirm that it was at least part of the problem. The auto parts store said that the alternator did need to be replaced. I purchased a new, not rebuilt, alternator from RockAuto (Pure Energy brand, manufactured by Mitsubishi) and put it on a couple weeks ago. Even after charging the battery that was in the vehicle at the time I was not able to get it started. Fortuitously, the battery was just inside the replacement window and I was able to get a new one at no additional cost. They didn't test it or anything but I took the new one home, put it in, and it started right up. So I figured it was fixed. It ran fine for a couple of weeks until yesterday when I went to start it and all I heard was the starter clicking. I had to be somewhere so I just took a different vehicle. When I returned, I tried again to start it even though I knew it wouldn't, and the starter clicked again, and then there was an audible clicking inside the vehicle that would not stop until I disconnected the battery. I'm not sure if that's a symptom of anything as "newer" cars with this electrical wizardry, and this car in particular, seem to do strange things when something isn't right with the electrical system. As a side note, when I was first trying to confirm if the alternator was indeed the culprit, similar to the nonstop clicking inside, the lights came on and stayed on (albeit dimly) until I disconnected the battery.

Long story short, I replaced the alternator and battery with new ones, ~2 weeks later the battery appears dead and the vehicle will not start. Any ideas as to what could be killing the battery? I really don't look forward to pulling the alternator out again to have it tested and I'm not even sure if they can test to see if it's draining the battery when the car is off.

Any input is greatly appreciated because this is quite frustrating to say the least.

Thanks.
I had the same exact experience with my Nissan Murano and while battery was out , then removed battery tray there is a ground wire from the frame to the body that one little screw was loose . Tightened it up and after brand new alternator and battery replacement that screw that was loose was the problem.. Good Luck , I hope this helps.
 
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