FeArZ Posted January 5, 2012 Report Share Posted January 5, 2012 I believe it can also be fixed with an externally regulated alt. Not sure on that one tho. I have sent multiple e-mail back and forth with Chris over at Missing Link Audio aka MLA and they have a module for the newer Chevys that keeps voltage between 14.7-15.2 is what he told me. May be the only solution if your running one alt and don't want any codes and lights on the dash. UnderLok get that MLA in and give a review I'm hoping that the externally regulated alts will help... But who knows It's a guy on YouTube that has a MLA but he also has a dual alt kit, but his voltage stays 14.7-14.8. I believe his name is hulbert87. I'm going to ask him how he like his on his 07 Tahoe. 2009 Tahoe 2000bc Cresendo POWA Need 3500 2 Sundown Zv3 18 high rolled sexiness dual alt bracket with Singer alt(coming soon) Mtx Q(not sure if I'm going to use) Knu wire and RCA's Bass Head Bands Oh and a few pairs of Jordan's Link to comment Share on other sites More sharing options...
ellowmoto Posted January 5, 2012 Report Share Posted January 5, 2012 i have a 2010, and am looking to switch out the alt. so all information is greatly appreciated! Link to comment Share on other sites More sharing options...
FeArZ Posted January 5, 2012 Report Share Posted January 5, 2012 i have a 2010, and am looking to switch out the alt. so all information is greatly appreciated! I think it helping a lot of us at this point 2009 Tahoe 2000bc Cresendo POWA Need 3500 2 Sundown Zv3 18 high rolled sexiness dual alt bracket with Singer alt(coming soon) Mtx Q(not sure if I'm going to use) Knu wire and RCA's Bass Head Bands Oh and a few pairs of Jordan's Link to comment Share on other sites More sharing options...
08tahoe Posted January 5, 2012 Report Share Posted January 5, 2012 I was also told replacing the battery upfront can cause the alt to burn up because of some censor? Not trying to jack ur thread I have a 2011 Never heard of that one, but these newer trucks have a ground clamp that reads the ground off the main battery. So you have to upgrade that to 0gauge for the clamp to pick up the increased flow or some B.S. Thanks Chevy. Is it ok to have a battery in the extra tray runing in parallel to the main battery if only the main batt has its ground running through that ground clamp? Link to comment Share on other sites More sharing options...
Real96SS Posted January 5, 2012 Report Share Posted January 5, 2012 I don't know if anybody has stated this yet but you could send your BCM in to PCM4Less and have them possibly reprogram it so you don't have the charging problem.That's my plan in the future when I upgrade again and have to use that stock location.I know they can program the BCM because I'm getting ready to send mine in to have it tweaked a little for the wheels and the tire sensor light and to pick up a little more torque and horsepower. Vehicle 2007 Chevrolet Avalanche(Co-Co) DNX9980HD 6 Team Fi 15's(King Edition) 3 DC 9k's 8 Nendo PWX 8's 4 Custom Steg 4" Super Tweeters 1 DC Audio 175.4 1 DC Audio 90.4 Rockford 360.3 3 DC Power 370xp Alts(Externally regulated) 21 D1600's 2 D4800's All SMD RCA's AudioTechnix Deadner Viper Alarm My YouTube- http://www.youtube.c...NG?feature=mhee Link to buildlog- http://www.stevemead...4-15s-2-dc-9ks/ Link to UBL- http://www.stevemeadedesigns.com/board/topic/165059-ublkings-avalanchecoco-new-build-starting8-king-edition-15-team-fis-in-a-wallyes-a-wall/ Link to comment Share on other sites More sharing options...
Siete_Cinqo Posted January 5, 2012 Report Share Posted January 5, 2012 Guys, just get an MLA if you don't want to waste the stock location. It will control all your alt's. I have my dual alt's wired up with an MLA, charges at 14.8 or above with no issues... Been having it like this for 3 years. Random vids of the Avalanche My link Team Bass-Hz Link to comment Share on other sites More sharing options...
Mha Posted January 5, 2012 Report Share Posted January 5, 2012 Whats the mla module cost? Just got done emailing them earlyer Link to comment Share on other sites More sharing options...
Mha Posted January 5, 2012 Report Share Posted January 5, 2012 Is it any easy install Link to comment Share on other sites More sharing options...
FeArZ Posted January 5, 2012 Report Share Posted January 5, 2012 Whats the mla module cost? Just got done emailing them earlyer I got quoted 209 or something like that. Don't know about install. 2009 Tahoe 2000bc Cresendo POWA Need 3500 2 Sundown Zv3 18 high rolled sexiness dual alt bracket with Singer alt(coming soon) Mtx Q(not sure if I'm going to use) Knu wire and RCA's Bass Head Bands Oh and a few pairs of Jordan's Link to comment Share on other sites More sharing options...
UnderLoK Posted January 6, 2012 Report Share Posted January 6, 2012 **EDIT: One side note for you guys that either are or are thinking of going with an HO or upgraded agm batt there are a couple things you should know. 1) If you get an AGM battery(s) then you HAVE TO GET A CHARGER! Not optional... The PCM controlled truck will NOT top off your battery. 2) It is suggested that you run your negatives through the inductive pickup which is on your factory ground (the ring), but I don't do it and it works fine. 3) Dual alts work off of the PCM (I do it), but you get shit charging. 4) At start you will see 15.2-15.9 (keep that 15.9 in mind it will fry an amp if it can't run 14v (aka 16v charge). 5) An MLA is the only solution in existence to use your PCM and charge correctly Lastly I really wish someone that knows would explain to me why in the fuck people aren't being told this shit when they buy an alternator. What is the reason behind not running AD's? Sure you get a charge warning, but is there any other reason not to? I don't know of one... I don't know if anybody has stated this yet but you could send your BCM in to PCM4Less and have them possibly reprogram it so you don't have the charging problem.That's my plan in the future when I upgrade again and have to use that stock location.I know they can program the BCM because I'm getting ready to send mine in to have it tweaked a little for the wheels and the tire sensor light and to pick up a little more torque and horsepower. Already looked into that, they can't turn it off or so I was told. Whats the mla module cost? Just got done emailing them earlyer I got quoted 209 or something like that. Don't know about install. You just have to tap in before the PCM (either at the fuse box on the way out to the PCM or along the way). The way I see it you have a few options... 1) Run all older style AD alts and deal with a charge warning on the dash - Not sure if there are any other negatives to this but we all run volt meters anyways. 2) Run one alt for your truck and the rest to the system - You loose out on one alt, but most run the truck + mid/high off that one 3) Run all of them off the PCM - This is how I run and voltage ranges from 12.8-15.9 (start), but generally in the high 13's 4) Get an MLA 3+4 is how I went, but the MLA isn't in yet. One day I'll get off my ass and get it in there. *Note: If you have a tow button or a tow package of any kind you can turn off economy mode (economy mode charges low or stops charging to save fuel). When you see your voltage drop into the mid to low 13's or less hit the tow button and wait a minute, it should jump back up or turning on the headlights in some models does it as well. Yes I know your lights are always on... Turning the switch matters I would assume this would work and I plan on getting the VCM from MechMan but would this eliminate the issue? I don't care about any ghetto light I'll just disconnect it. I'm worried about like you said the charging issues or anything else associated. Thanks for your help guys! These trucks are not simple by any means with the sensors they utilize... Vcm will not work for the newer trucks. Best bet is to run three separate h/o alts and keep the stock for the truck It won't work at all? So purchasing the VCM is a waste? I just hate the thought of having to waste a perfectly good spot where I can has moar power! Nope, already looked into that as soon as I bought the truck. I know it sucks, but slap a quad kit an run three big alts that's a good amount of power Sure it will work if you use an AD alt... If at first you do not succeed, you are doing it wrong! -ARSCheck out my walled TBSS build over here4 Fi Team 18s on 2 Cactus K9 DS18 doors on 2 MBQ 1Ks, Vifa pillars on a STL4.500 Pioneer X8500 6 XS Power D7500, 1 3400S Second Skin 2 270a Mechman Alts Link to comment Share on other sites More sharing options...
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