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Old 03-25-2015, 11:36 AM
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battery not charging, but both battery and alternator are good

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Old 02-11-2011, 05:36 PM   #1
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Default battery not charging, but both battery and alternator are good

So I was changing the rotors, pads, passenger side Upper control arm, and drivers side lower ball joint on my 1991 Accord DX 2 door (F22A1), and now the car keeps dimming and dieing. The battery isn't charging from the alternator at all. I know the battery is good because when I charge it with the charger box, it starts up and runs like a champ till dims and dies, and I know the alternator is good because I had it tested, plus I also replaced it with another one I had laying around which was perfect before I pulled it out of my old accord. I don't know what else to check out. In case it means anything, when I changed the upper control arm, I had to move the fuse box out of the way. Any advice is appreciated because I'm real frustrated right now
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Old 02-11-2011, 05:40 PM   #2
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Default Re: battery not charging, but both battery and alternator are good

Check voltage at the terminals while the car is running. If it is receiving a minimum of 14 volts, the battery can't hold a charge and needs to be replaced.

However if the car dies while it is running, this is typically a sign of a bad alternator. Report back after you've tested the voltage the alternator is generating while the vehicle is running.
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Old 02-11-2011, 05:51 PM   #3
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Default Re: battery not charging, but both battery and alternator are good

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Originally Posted by davey5300 View Post
So I was changing the rotors, pads, passenger side Upper control arm,
When doing the right/pass side arm, did you happen to move the fuse panel?
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Old 02-11-2011, 06:04 PM   #4
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Default Re: battery not charging, but both battery and alternator are good

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When doing the right/pass side arm, did you happen to move the fuse panel?
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In case it means anything, when I changed the upper control arm, I had to move the fuse box out of the way. Any advice is appreciated because I'm real frustrated right now
I would say davey, check all your connections at the fuse block. most likely if it was working before, then that means that something went wrong in that process. did you disconnect the battery before messing around with the fuse box? if not, you couldve shorted something accidently. if you did, then good. maybe its as simple as just some wires not hooked up, or a blown fuse.
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Old 02-11-2011, 06:23 PM   #5
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Default Re: battery not charging, but both battery and alternator are good

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I would say davey, check all your connections at the fuse block. most likely if it was working before, then that means that something went wrong in that process. did you disconnect the battery before messing around with the fuse box? if not, you couldve shorted something accidently. if you did, then good. maybe its as simple as just some wires not hooked up, or a blown fuse.
Guess I should learn to read better. The OP stated they moved the fuse box and I skipped right over that....gregp09....thanks
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Old 02-12-2011, 11:26 AM   #6
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Default Re: battery not charging, but both battery and alternator are good

Well after long hours, changing the alternator again and a new battery, I finally figured it out!!!! The was a loose wire in the big wire harness that comes from where the ECU is. The wire was black and yellow
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Old 04-12-2013, 05:07 PM   #7
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Default Re: battery not charging, but both battery and alternator are good

hey whats up davey5300 i have a 1995 accord wagon witch i did a h22 swap the car was running fine up to about a week ago i put both a new batt n alternator then the same problem u had im having both items r good but when i turn the car on n i take off the batt terminal the car shuts off where exactly did u find the problem on the wire was it behind the fuse box or under the dash by the computer cause now that u mention about the fuse box i did take it out also when i replaced the arm n i also took it out when i did the lowering springs so if u could tell me exactly where the wire runs so i could save some time n headach or if theres maybe a relay or fuse thati may have over looked
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Old 04-14-2013, 12:48 AM   #8
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Default Re: battery not charging, but both battery and alternator are good

The black and yellow should go through the shock tower connectors.
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Old 05-24-2013, 10:21 AM   #9
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Default Re: battery not charging, but both battery and alternator are good

hey.. Ive got same problem but i couldnt understand how you solve it.. could you send a picture with that wire problem?
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