thegr8cody Posted December 24, 2007 Report Share Posted December 24, 2007 when i turn my key back or forward to acc it stops at 12 volts is tha bad.when i start it it goes to 14 volts so im not sure if thats bad.i just hooked up a kinetik 1400 in the back got a good ground so i dont know it never did it till i hooked it up 1998 gmc sierra h/u:eclipse cd3200 sub:dd9518g d1.5 amp:jl e300/4 sub amp:dd m2a front stage:id ctx65cs dc power 270 alt lots of kicker 1/0 Link to comment Share on other sites More sharing options...
sean 371 Posted December 24, 2007 Report Share Posted December 24, 2007 batteries normally rest around 12v. The alternator is what bumps them up to 14.4. With the engine off, they should be at 12. A couple links to some box builds: Tahoe Box 1, Tahoe Box 2, Nissan Titan, VW GTI, Mini-Bump, Hummer H2, Ford F-150 My own car builds (current setup --- under construction): Overall Thread, Kickpods, Dash, Back Doors Subwoofer Wall Link to comment Share on other sites More sharing options...
mrwigglezdj Posted December 24, 2007 Report Share Posted December 24, 2007 well with the car off the alt is not produceing a charge , thus the 12 v and when the car is running the alt is chargeing thus the 14+ its perfectly normal and where you want to be, but the 12v thats not as soon as you turn off the car is it? its more like 13 or 12.6-9 rite? Americas loudest work van2006 iasca heavyweight bassboxing champion at 150.4 db with 60second average TL8 memphis PR15s,12 memphis PR6.5's coax,4 memphis PR 1inch tweets Link to comment Share on other sites More sharing options...
jasonw30 Posted December 24, 2007 Report Share Posted December 24, 2007 batteries normally rest around 12v. The alternator is what bumps them up to 14.4. With the engine off, they should be at 12. ha,ha..you beat me to it!!x2 2002 nissan frontier crewcab eclipse cd2000 mb quart prem's fr&rear rf p4004 Link to comment Share on other sites More sharing options...
thegr8cody Posted December 24, 2007 Author Report Share Posted December 24, 2007 no its just when i turn the key forward or back after starting it it goes up thanks guys i was scared for a minute 1998 gmc sierra h/u:eclipse cd3200 sub:dd9518g d1.5 amp:jl e300/4 sub amp:dd m2a front stage:id ctx65cs dc power 270 alt lots of kicker 1/0 Link to comment Share on other sites More sharing options...
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