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Charging issues

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Old 09-18-2009 | 08:57 AM
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Charging issues

Recently i replaced my altenator but i still find myself having to charge my battery to start my car from time to time. Any suggestions on what may be the problem would be greatly appreciated
Old 09-18-2009 | 09:02 AM
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How many amps / volts is the new alternator putting out?
Old 09-18-2009 | 09:22 AM
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its a 60 amp altenator, im not sure what its putting out, do i use a multi meter to test that, if so how? Im still learning how to work on cars here, also, i test it while the car is running correct?

Last edited by ZXT83; 09-18-2009 at 09:26 AM.
Old 09-18-2009 | 09:30 AM
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Take it to Autozone, or hook up a voltmeter to the + post on the alt.
Old 09-18-2009 | 09:32 AM
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thanks ill get it tested
Old 09-18-2009 | 09:43 AM
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Is it possible i just have a shity battery
Old 09-18-2009 | 09:49 AM
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Anything is "possible". Check the volts already!
Old 09-18-2009 | 09:59 AM
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If it only drains after you shut the car off them maybe you have a small voltage drain while the car sets. The issue may not be the alternator or battery at all.
Old 09-18-2009 | 10:46 AM
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Bleach has a good point, the battery does drain after the car sits long enough, and i check the volts asap
Old 10-01-2009 | 10:25 AM
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i got 12.3v from the altenator, but its not charging the battery i dont understand can someone enlighten me?
Old 10-01-2009 | 10:32 AM
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A car battery should be @ 12.6 volts. If your alternator is putting out 12.3v, you are technically draining your battery. Alternators should put out 14 to 14.5v. If it's not, the alternator or voltage regulator is toast, or there is something funky w/ the charge wire.
Old 10-01-2009 | 11:50 AM
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Do you have a pic of the voltage regulator so i know what im looking for. I cant find a pic in my fsm or im just retarted
Old 10-01-2009 | 11:51 AM
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im going to assume it is the voltage regulator because the alternator is brand new and the wires dont look bad at all
Old 10-01-2009 | 11:52 AM
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It's internal in the 280zx's. If you take it to an alternator shop they can probably repair it, otherwise you just get to buy a new/reman alternator from your local parts store (either way will be about the same cost).
Old 10-01-2009 | 11:58 AM
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Thanks for the help nismo, im just gonna pull the damn thing get it tested and check the wiring for it
Old 10-01-2009 | 08:36 PM
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you could have a blown fusable link, alternator wont charge at all. the battery should be above 9.6 while starting, 12.6 at rest and more than 13.8 while running.
Old 10-02-2009 | 08:33 AM
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ill test all the fusible link wires i replaced a melted one a while back, can anyone possibly post a link on a maxi fuse upgrade. Im not to sure how that works
Old 10-03-2009 | 09:16 AM
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Originally Posted by ZXT83
Thanks for the help nismo, im just gonna pull the damn thing get it tested and check the wiring for it
The car needs to be running in order to test it so, it wouldn't be a good idea to take it off. The engine needs to be "cranking" it for it to produce the juice. Just take it to autozone and they will test it for free.

It is easy to change it out so don't worry.
Old 10-07-2009 | 02:31 PM
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You can change just the voltage regulator but you have to tear into the alt and do some soldering at the bottom of it inside. If its new it should be exchanged because its not your problem to be fixing a new alternator.
Old 10-07-2009 | 08:34 PM
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Originally Posted by ZXT83
ill test all the fusible link wires i replaced a melted one a while back, can anyone possibly post a link on a maxi fuse upgrade. Im not to sure how that works
I had so many charging issues that got fixed when I went to the SCOCHE fuse blocks.

Unfortunately this is the only picture I have of mine, this was when I first put them in:

IMG_3189.jpg?t=1254969160

The Beige is an 80, the Green is a 30 that the Reds are 50.

Here's the Atlantic Z Car link:

http://atlanticz.ca/zclub/techtips/f...nks/index.html

The Schoche blocks are about $9 at Walmart.
Old 10-07-2009 | 09:42 PM
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Thanks for the link, that's gonna help me out a lot
Old 10-12-2009 | 03:42 PM
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I see that the fuse blocks are powered by the battery cable run to the starter pos but how are these blocks grounded? Or do they need be?
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