Basson50 Posted April 3, 2012 Report Share Posted April 3, 2012 Voltage dropping to 12.8 at full tilt with 330 amp alt, four kinetik batts, four runs 0 guage , one optima up front. I don't understand , but it only does it when I'm just sitting at idle. When I ride and play it it's fine, .voltage drop no less than 13.3V. Wat do I need to do???? I'm confused do I need more batteries , more runs of 0 guage ???? Quote Link to comment Share on other sites More sharing options... 1 65
Sheena Posted April 3, 2012 Report Share Posted April 3, 2012 what alt? whats its idle amp rating? vehicle? Quote 09 Civic EX KDC-X395 (2) SKAR Audio VVX-12 Skar Audio SK-1500.1 4 cu ft @32 (new box and more port soon) Firing Forward not sealed off Stock 80 Amp Alt Big 3 In 1/0 Knu 2 Runs To The Back 1 Pos 1 Neg In 1/0 Knu DD-1'd 13.8v drop Link to comment Share on other sites More sharing options... 278 1.9k 1
Loslam Posted April 3, 2012 Report Share Posted April 3, 2012 It's most likely your alternator and I'm going to guess you have a small car. The alt doesn't make full power at lower rpms Quote 1997 Chevrolet Silverado Extended Cab, 350 Vortec Things to come at some point... Build Log: http://www.stevemead...2200ds-133-ohm/ Link to comment Share on other sites More sharing options... 21 299
Basson50 Posted April 3, 2012 Author Report Share Posted April 3, 2012 what alt? whats its idle amp rating? vehicle? Mechman 330 amp alt, 170 @idle. Jeep srt8 Quote Link to comment Share on other sites More sharing options... 1 65
Basson50 Posted April 3, 2012 Author Report Share Posted April 3, 2012 It's most likely your alternator and I'm going to guess you have a small car. The alt doesn't make full power at lower rpms Jeep srt8 , mechman 330 amp alt, [email protected] Quote Link to comment Share on other sites More sharing options... 1 65
AA98hoe Posted April 3, 2012 Report Share Posted April 3, 2012 What amp? What impedience are you wired at?..I have 1020amps of alt..6 xs d1400 10 runs of 0g on 2 dc7.5s and I can drop instantly at idle but on freway cruising at 2krpm I only drop .2 of a volt fulltilt...most alts do nothing at idle an I found out turn on an off if your idleing and rev... so you can do more batterys that will help to at least keep you at battery voltage Quote TEAM DC AUDIO VEHICLE:98 chevy tahoe 2wd 3-4 drop HEADUNIT:alpine 9886 PREAMP:arcaudio FRONT STAGE:4-6 1/2s selinium,DD component set and 4-selinium tweeters in each door KICKPANELS:jl audio 5 1/4 REAR DOORS: dd components 6 1/2s HIGHS AMPS:zapco 750.2 on front doors,zapco an another 750.2 on kicks and rear doors SUBS:4-ascendant audio 18s with 5 spiders in a custom box built by KINGSUV SUB AMP: 2-dc7.5s ALTERNATORS: 3-mechmans 1- 425comp, 1-smd spec350, 1-270 with adj voltage harness on custom dc bracket WIRE:10-runs 0g front to back BATTERIES:6-d1400s TL results:157.1 at 38hz and 156.8 at headrest score @37hz. STATE AND NATIONAL RECORD IN MECA S5. Link to comment Share on other sites More sharing options... 222 3.7k
Nikitaaa Posted April 3, 2012 Report Share Posted April 3, 2012 Look into an overdrive pulley. Quote 2007 M/T Honda Civic Coupe EX (4) Sundown Audio X-8's (2) Ampere Audio 3800.1's (3) Stinger SPV-44 Batteries (1) Mechman 240 3:1 Ratio 4th order sealed from the trunkTEAM NWSPLBest termlab scores to date in Honda trunk:151.7db legal (official) IASCA trunk 3 classBest termlab scores to date in my walled Subie:152.9db legal (unofficial) IASCA advanced 2 class155db outlaw Link to comment Share on other sites More sharing options... 259 1.5k
TheBetterMethod Posted April 3, 2012 Report Share Posted April 3, 2012 x2 What amps, how much power? Quote 2005 Subaru Outback Wagon Pioneer 9400BH Fi Q 15, SAZ1500dV3 The first build>>> http://www.stevemead...-outback-build/ 140.9 @ 36hz Sealed on dash! REBUILT!!! 2 Fi Q 15s, 2 SAZ1500dv3 146.9 @ 39hz dBDRA certified Link to comment Share on other sites More sharing options... 63 850
Sheena Posted April 3, 2012 Report Share Posted April 3, 2012 i believe he said 2 sundown 3500s strapped at 1 ohm.. he made another thread like 5 mins ago Quote 09 Civic EX KDC-X395 (2) SKAR Audio VVX-12 Skar Audio SK-1500.1 4 cu ft @32 (new box and more port soon) Firing Forward not sealed off Stock 80 Amp Alt Big 3 In 1/0 Knu 2 Runs To The Back 1 Pos 1 Neg In 1/0 Knu DD-1'd 13.8v drop Link to comment Share on other sites More sharing options... 278 1.9k 1
Basson50 Posted April 3, 2012 Author Report Share Posted April 3, 2012 What amp? What impedience are you wired at?..I have 1020amps of alt..6 xs d1400 10 runs of 0g on 2 dc7.5s and I can drop instantly at idle but on freway cruising at 2krpm I only drop .2 of a volt fulltilt...most alts do nothing at idle an I found out turn on an off if your idleing and rev... so you can do more batterys that will help to at least keep you at battery voltage Hey wats up,,, two sundown strapped @2 ohms.. Crazy thing is I plan on strapping @1 soon, and that even more power. Quote Link to comment Share on other sites More sharing options... 1 65
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