How to make alternator put out 14.8 volts?

You sound like me . I have a EA alt and my vehicle limits output to 14.0/1 max. I talked to Chris and he says I should see 15.1 at start up , 14.8 when running. Try the MLA module or yes you would have to run an external regulator.

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more info on your setup....how is it all wired, grounds?

What is the voltage drop like with your rpm's up around 1500-2k

Some of those big alts don't do alot at idle (but with only 1600w it shouldn't drop that bad)

 
My big question is did you do the big 3 or are you trying to pull that 320A off of a tiny 8 ga wire? That would explain a lot and what are your runs to the back are they 0 gauge and how good is your grounds. It is more than like not the alternator. I am running 2krms off of a 300amp alt and not seeing that kind of voltage drops but I also have 3 runs each of 0 gauge power/ground front to rear. Along with multiple 0 gauge grounds on engine and frame along with two 0 gauge runs from the alternator to the battery.

 
My big question is did you do the big 3 or are you trying to pull that 320A off of a tiny 8 ga wire? That would explain a lot and what are your runs to the back are they 0 gauge and how good is your grounds. It is more than like not the alternator. I am running 2krms off of a 300amp alt and not seeing that kind of voltage drops but I also have 3 runs each of 0 gauge power/ground front to rear. Along with multiple 0 gauge grounds on engine and frame along with two 0 gauge runs from the alternator to the battery.
I'm going to post up a video in an hour or so giving full detail of my system. Maybe someone can then explain why I'm dropping.

 
more info on your setup....how is it all wired, grounds?
What is the voltage drop like with your rpm's up around 1500-2k

Some of those big alts don't do alot at idle (but with only 1600w it shouldn't drop that bad)
Heres the video of me giving the lay out of my system. ill make another video tomorrow showing how it drops with the bass actually on.

http://www.youtube.com/watch?v=oPHYmlZFGLg&sns=em

 

First of all if you were to use 4 different voltmeters you would get 4 different readings that’s just how the DMMs work.

You were not using a fluke meter so being off a tiny little bit is no big deal.

The internal regulator is set to 14.4 on that alternator so why do you think you are going to get 14.8?

Even if the alternator was made to produce 1,000 amps of current what does that have to do with voltage?????

You can externally regulate that alternator to get whatever voltage you would want but what will that do to your PCM?

I did not see what RPM your engine was at but you have been told already that high output alts require more RPMs than stock alts right?

What do you think an extra .4 volts is going to do for your amplifiers?

 
You should have zero drop with that alt. I suspect a wiring issue, or gain setting issue.
He has not shown any drop yet.

You could potentially see tons of drop from that alternator at 800RPMs using the stock pulley.

 
He has not shown any drop yet. You could potentially see tons of drop from that alternator at 800RPMs using the stock pulley.
He said he wanted 14.8 volts so that it does not drop into the 13s. Even at idle a DC power alt should provide more than enough current for 1600 watts. Many stock alts can handle 1600 watts at idle or a little above.

 
He has not shown any drop yet. You could potentially see tons of drop from that alternator at 800RPMs using the stock pulley.
He said he wanted 14.8 volts so that it does not drop into the 13s. Even at idle a DC power alt should provide more than enough current for 1600 watts. Many stock alts can handle 1600 watts at idle or a little above.

 
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