mudman Posted June 1, 2009 Share Posted June 1, 2009 Do the Reman Alternators from Autozone have an internal voltage regulator in them. This is for a EA71 in a 79 brat. I thought that it would be in the alternator, but my charging system is reading 16V and above. Is this correct, or are there any consequences to this? The Alternator is brand new. Link to comment Share on other sites More sharing options...
GeneralDisorder Posted June 1, 2009 Share Posted June 1, 2009 Do the Reman Alternators from Autozone have an internal voltage regulator in them. This is for a EA71 in a 79 brat. If you bought one for a '79 EA71 then it's not going to have an internal regulator. 1982 was the first year for internally regulated alternators. GD Link to comment Share on other sites More sharing options...
the sucker king Posted June 2, 2009 Share Posted June 2, 2009 And yes there is consequence, you can fry your new alternator. You should replace the VR. The stock ones were little gold box shaped things about 4 inches by 3 inches with a sizeable round plastic harness connector. Link to comment Share on other sites More sharing options...
bratbuggie Posted April 23, 2010 Share Posted April 23, 2010 I need a new alternator too for the same year is there a better alternator i could replace it with? Link to comment Share on other sites More sharing options...
bheinen74 Posted April 23, 2010 Share Posted April 23, 2010 the last alternator i got from the junkyard looked new and had a reman sticker on it- and it charged 18V i had to get new battery too and replace it, Link to comment Share on other sites More sharing options...
GeneralDisorder Posted April 23, 2010 Share Posted April 23, 2010 I need a new alternator too for the same year is there a better alternator i could replace it with? You should start a new thread. But before you do - have a look at the search function as replacing externally regulated alternators with the newer internally regulated units has been covered many times. I think it's in the USRM even. GD Link to comment Share on other sites More sharing options...
TRAVIS75 Posted April 23, 2010 Share Posted April 23, 2010 I worked for many many years repairing and rebuilding starters and alternators, on an externally regulated alternator (such as yours is) 99.9 percent of the time is going to be the regulator, the alternator is just the "yes man" in the equation, it does what the regulator says to do, and in your case at 16v, its asking it to do too much and will cause failure of the alternator, and can burn up wiring, cause expansion in your battery (heat from excessive high voltage vs. plates in a battery welded in stationary position) the plates bend and bulge in to each other when they touch they short out so to speak causing a defective battery. As a side note, check the voltage at your battery as well as at the back of alternator, voltages should all be with in .2 to .4 volts, could be getting a false reading on your gauge. Link to comment Share on other sites More sharing options...
GeneralDisorder Posted April 23, 2010 Share Posted April 23, 2010 Thread is nearly a year old - he's likely not listening. Some noob bumped it for no good reason. GD Link to comment Share on other sites More sharing options...
bratbuggie Posted April 24, 2010 Share Posted April 24, 2010 (edited) im in need of a new altenator also any suggestions on upgrading? Edited April 24, 2010 by bratbuggie delete multi post Link to comment Share on other sites More sharing options...
GeneralDisorder Posted April 25, 2010 Share Posted April 25, 2010 im in need of a new altenator also any suggestions on upgrading? DUDE! Start a NEW THREAD. GD Link to comment Share on other sites More sharing options...
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