EdgarC6789 Posted August 23, 2015 Report Share Posted August 23, 2015 HelloI just installed a 300A Alternator on my 96 tahoe but the voltage drops real low to 11 and my radio shuts off...around 40% volumeI have a 2500w Bass amp and a 1200w 4ch amp I ran a 0 gauge wire from Alt to batteryand a 0 gauge from battery to the chassis and I have a duralast gold battery(autozone)Do I have to get another an additional battery ? or just upgrade the Duralast battery? thanks.. Link to comment Share on other sites More sharing options...
Miguels Posted August 24, 2015 Report Share Posted August 24, 2015 what company did you get that alt from? chances are its not putting out amperage at idle my logshttp://www.stevemead...-my-new-set-up/my blow through loghttp://www.stevemead...future-updates/ 96 ss http://www.stevemeadedesigns.com/board/topic/164094-96-impala-ss-build/ Link to comment Share on other sites More sharing options...
diegoclass2010 Posted August 24, 2015 Report Share Posted August 24, 2015 what brand of alternator did you get? did you crimp solder your lugs? did your connections have oxidation and corrosion? did you sand the pain in your grounds to bare metal? how tight is each and every made? and how do you know your droping to 11 volts? i would go and re check everything i sad and report back. Link to comment Share on other sites More sharing options...
Miguels Posted August 24, 2015 Report Share Posted August 24, 2015 looks like a small block chevy.. from late 80's to early 90's is it a truck or suv.. looks like the engine was worked on not that it has anything to do with the issue.. just something i noticed my logshttp://www.stevemead...-my-new-set-up/my blow through loghttp://www.stevemead...future-updates/ 96 ss http://www.stevemeadedesigns.com/board/topic/164094-96-impala-ss-build/ Link to comment Share on other sites More sharing options...
EdgarC6789 Posted August 24, 2015 Author Report Share Posted August 24, 2015 the brand is Quality PowerI just crimped my connections I didnt solder im using knuconcepts 0 gauge ofc wire (there new)I did sand all the grounds Im using the stinger volt meter and a multi meter (measuring from the Alt)its a 96 tahoe with the original 350 Vortec engine Link to comment Share on other sites More sharing options...
ToNasty Posted August 24, 2015 Report Share Posted August 24, 2015 Seems like the alt. I bet your stock alt is better than that ***Super Sellers List***http://www.stevemeadedesigns.com/board/topic/25829-super-sellers-buyers Link to comment Share on other sites More sharing options...
diegoclass2010 Posted August 24, 2015 Report Share Posted August 24, 2015 yea it might be the alternator not doing power at idel.. do you still get voltage drop at 2k rpm's? edit do you have a clamp meter? Link to comment Share on other sites More sharing options...
EdgarC6789 Posted August 25, 2015 Author Report Share Posted August 25, 2015 I havent tried it a t 2 rmps I just leave it at idle ill try it at 2 rpmsI dont have a clamp meter Link to comment Share on other sites More sharing options...
Kyblack76 Posted August 25, 2015 Report Share Posted August 25, 2015 Seems like the alt. I bet your stock alt is better than that it is... SMD SUPER SELLER The Burban Build Blazer Build sold Acura trunk build sold Link to comment Share on other sites More sharing options...
EdgarC6789 Posted August 25, 2015 Author Report Share Posted August 25, 2015 Seems like the alt. I bet your stock alt is better than that it is... I have 2 sundows x-15s wired down to 1 ohm on a sundown 2500 and a 1200 w pionner 4ch if this helps at all Is this the reason why most people have over 3 batteries? Link to comment Share on other sites More sharing options...
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