pcummings32 Posted May 13, 2012 Report Share Posted May 13, 2012 i just ran the big 3 and installed a XS Power D 3100 in my 2000 camry today and my voltage is only getting up to about 13.9 - 14.0V... before i ran the big 3 and installed the batt it was getting up to around 14.4 - 14.5V... any thoughts? Quote BOOSH! Link to comment Share on other sites More sharing options...
KOZ89 Posted May 13, 2012 Report Share Posted May 13, 2012 probably need a new alternator, i did that with mine and i gained a little with stock alt, or maybe a bad connection somewhere, did you crimp or solder your cables? Quote build coming late April, early May build log for 1 LVL 5 18" 87%ish done : http://www.stevemead...ab-dc-lvl-5-18/ 1997 Dodge Ram 1500 Slt Laramie Amplifier - AQ3500d.1 Sub - DC LVL 5 18" Highs - (2x) Selenium ST-350 Super Tweeters 8ohm Mids - Selenium 6" 200w midrange 6W4P (pair) Mids/Highs Amp - MB Quart ONX4.125 1000watt 4 ch Wiring - XP Flex 25' Red, 25' Black Alternator - Mechman 270amp Battery - XS power D3100, 1- Yellow top front more to come... Link to comment Share on other sites More sharing options...
teardrop Posted May 13, 2012 Report Share Posted May 13, 2012 check conections power and grounds and check fuses Quote Link to comment Share on other sites More sharing options...
Robby Holmes Posted May 13, 2012 Report Share Posted May 13, 2012 big three doesn't increase the amount of power you get, it only increases the way of transporting it. think of your power like a cup of water. stock electrical is like drinking through a coffee stir straw and after a big 3 upgrade its like drinking through a mcdonalds straw. your going to need a new alternator to increase the amount of power your putting out Quote '08 Chevy Cobalt coupe 2.2 base model trunk build: 2 9512iSC flatwound alum 1.5 coils -extra 9500 spider pack -8" platinum carbon dustcaps 1 DD Z1 (.375ohm nominally daily) 3g31 AGM 320a Ohio Gen alt 1 DD S4 4 channel 4 VO-M8v1's (holes cut for 3rd pair) 2 CS 6.5's 2 VO-B1's Sony XAV-601BT all Knu Krystal RCA's Cadence 7band EQ ______________________ 148.3db @ 32hz (burp) 148.4 @ 37 & 38hz (burp) 146.xdb 90sec average (center windshield) Link to comment Share on other sites More sharing options...
larrys95civic Posted May 13, 2012 Report Share Posted May 13, 2012 Recheck your grounds, normally you won't see an increase in voltage it's an increase in steady amperage. I've never seen a decrease in voltage from it though so if you can post some pics of all your wiring and connections maybe we can diagnose from those. Quote Team Superior SPL Former Installer at Driven Sound & Security http://www.drivenss.com All kinds of forsale threads http://www.stevemeadedesigns.com/board/topic/164247-amps-subs-and-misc/#entry2383262 http://www.stevemeadedesigns.com/board/topic/164430-polk-audio-sda6000-sound-bar/#entry2386634 http://www.stevemeadedesigns.com/board/topic/164279-3-michael-kors-watches/#entry2383983 http://www.stevemeadedesigns.com/board/topic/164549-more-items-from-storage/ http://www.stevemeadedesigns.com/board/topic/166967-dd-9518s-amps-kenwood-custom-explorer-dash/ If someone is feeling generous I'd love an original sig LOL Link to comment Share on other sites More sharing options...
pcummings32 Posted May 13, 2012 Author Report Share Posted May 13, 2012 ill have to check all my connections... i kinda doubt its bad crimps tho. all the wire that i used came out of my astro (which just died on me) but it didnt have any voltage issues. it was doing a 149.3 on music. i understand that i wont see a voltage gain and i also understand that the big 3 only allows more amperage to flow. what i cant figure out is why after running the big 3 ive lost almost half a volt. Quote BOOSH! Link to comment Share on other sites More sharing options...
pcummings32 Posted May 13, 2012 Author Report Share Posted May 13, 2012 also im looking into an alt for my camry... ive got a 300a excessive amperage alt in the astro and i guess i was pleased... i had belt slipping issues in the beginning but got em resolved... any suggestions for a 200+ amp alt for the camry? Quote BOOSH! Link to comment Share on other sites More sharing options...
Tarball Posted May 13, 2012 Report Share Posted May 13, 2012 (edited) ill have to check all my connections... i kinda doubt its bad crimps tho. all the wire that i used came out of my astro (which just died on me) but it didnt have any voltage issues. it was doing a 149.3 on music. i understand that i wont see a voltage gain and i also understand that the big 3 only allows more amperage to flow. what i cant figure out is why after running the big 3 ive lost almost half a volt. Did you clean your ground point down to metal ? Are you using 1/0 for the big three ? When was the last time your battery was topped off (is it brand new or used)? Edited May 13, 2012 by Tarball Quote CURRENT SYSTEM: Alternator: Stock alt on mids/highs Isolated DC Power 270 SP - Charging @ 16.8v Batteries: (2) XS D1400s Power Cable: Double Runs of 1/0 KNU Kolossus Fleks Headunit: 80-PRS Sub Amp: DC 5.0k Subwoofers: 2 RE MT 15s /PSI dual .7ohm recones Subwoofer Enclosure: 9.1cubes @ 32hz - brutal. Mids & Highs Amp: CT125.4 Active Components: Mids RE XXX 6.5c Highs - 3 RE XXX tweeters per side(A pillar) Noise Control: Damplifier Pro all over the cab. Build Log If you do business with me please leave feedback here: FEEDBACK THREAD Highest Legal Score: 151.0 db Highest Musical 30 Second Average: 151.6 db Link to comment Share on other sites More sharing options...
sprkn_ranger Posted May 13, 2012 Report Share Posted May 13, 2012 Did you replace your stock wires? Or just add the new wires. Maybe try removing the big three and see if voltage goes back up. Quote Check out my build log! 4 Havocs in a blowthrough http://www.stevemeadedesigns.com/board/topic/187506-sprkn-rangers-blowthrough-build/ Link to comment Share on other sites More sharing options...
pcummings32 Posted May 13, 2012 Author Report Share Posted May 13, 2012 yeah i ground down to bare metal and the xs d 3100 is new and topped off, the under the hood batt is old and could be replaced... i just added new wires and left the existing factory wires as well. i think im gonna start with getting a new batt under the hood and see what happens from there. Quote BOOSH! Link to comment Share on other sites More sharing options...
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