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Topic Review (Newest First)

11-16-2011 02:45 AM

dumpy

Re: 14V Normal?

Never a cap. how bigs your stck alt? another battery would do nothing but good

11-15-2011 10:14 PM

underdogg

Re: 14V Normal?

My truck has two battery UNDER THE HOOD FORD DUALLY an im going to run a aq2200 on tw0 hdc3 12 d1 will i need a second bat or cap 3.5 fard

08-04-2011 07:45 PM

Ibanez

Re: 14V Normal?

Right now one optima yellow top under the hood and a kinetik hc1800 in the back.the amp is an opti6000d powering a 18 inch lms 5400

08-04-2011 07:41 PM

Ibanez

Re: 14V Normal?

13.5 with out music if i go full tilt it i'll drop to 12.8 but than i turn down the music before it goes any lower.some guy's in the forum told me that 3 more bateries will help keep my voltage higher Well so it wont drop that bad

08-04-2011 07:26 PM

User91

Re: 14V Normal?

Are you measuring during music playing?

08-04-2011 05:34 PM

Ibanez

Re: 14V Normal?

Nothing major but i'll be better when i get 3 more baterries.o and 13.5 When i start my car and it wont go more than 13.75 the lowest i'll go is 12.8 than i just turn the vol down Your voltage is pretty good actually

08-04-2011 05:00 PM

kingtube69

Re: 14V Normal?

Quote:

Originally Posted by Ibanez

i wish my voltage was like yours i have a 200 amp alt and only getting 13.75 13.5

Hahaha, but then again, you probably have a massive system.. take a look at my sig :P

08-04-2011 04:02 PM

Ibanez

Re: 14V Normal?

i wish my voltage was like yours i have a 200 amp alt and only getting 13.75 13.5

08-01-2011 05:35 PM

kingtube69

Re: 14V Normal?

WOOOHOOOO!!! Thank you all!!!

Drove this morning, dropped to 13.6 max was hitting pretty hard, even idling at lights like a complete tosser and still only got this low.

Got outof my car metered the battery when the car was shut off :O HOLY ISH!!!! 12.2 and dropping what the F!!!!???

Oh wait, my lights are still on -_- IDIOTTTT!!!

08-01-2011 02:36 PM

armykyle1

Re: 14V Normal?

your slight voltage drop from driving is typical in vehicles with a decent amount of mileage. Its nothing bad. As the alt gets hot, it doesn't charge quite as good. But you're ok for sure.

08-01-2011 02:28 PM

matt.u

Re: 14V Normal?

i try to never let my voltage drop below 12v usually when my voltage drops in the 12v range i turn it down

08-01-2011 01:38 PM

kingtube69

Re: 14V Normal?

Cool beans, Just about to meter it on the way to work, we will see how she holds. If it drops below 13V then we have a problem :P :P :P

Thank you all for the input, I appreciate it.

08-01-2011 03:52 AM

Tremonic

Re: 14V Normal?

Quote:

Originally Posted by dsktim

13.73 is a good voltage to carry nothing wrong with that when you are running your system

Quote:

Originally Posted by profundus-sanus

yep, your voltage seems just fine.

08-01-2011 03:47 AM

profundus-sanus

Re: 14V Normal?

yep, your voltage seems just fine.

08-01-2011 02:37 AM

dsktim

Re: 14V Normal?

13.73 is a good voltage to carry nothing wrong with that when you are running your system

08-01-2011 12:19 AM

kingtube69

Re: 14V Normal?

Alright metering on amp idle i was bouncing 14.10>13.73.. still normal ? :P

07-31-2011 11:03 PM

Burkem_10

Re: 14V Normal?

Yup, you're fine

07-31-2011 10:55 PM

kingtube69

Re: 14V Normal?

Quote:

Originally Posted by snow0707

if its bettwen 13 and 14.4 wile running you are good.

Awesome, Cheers!
Just drove home for 30 minutes constant bumping it dropped from 14.23 > 13.91(MAX)

07-31-2011 10:43 PM

snow0707

Re: 14V Normal?

if its bettwen 13 and 14.4 wile running you are good.

07-31-2011 10:14 PM

Burkem_10

Re: 14V Normal?

I should also include that you should measure the voltage at the amplifier's terminals and not the battery's because it can make a difference.

07-31-2011 10:10 PM

kingtube69

Re: 14V Normal?

Alright, I will push it hard this afternoon on the way home and see how she handles, Thank you for the input!! anyone else have any input ?

07-31-2011 10:00 PM

Burkem_10

Re: 14V Normal?

When your car is running your alternator is charging the battery at about 14.4v. When you turn your car off the battery will go from about 14 volts down to 12.8 volts (it rests at 12.8v). When your system hits the battery discharges and the alternator charges it back up. Your voltage gets lower the longer you play your system because your alternator cant charge the battery up fast enough. Your 70a alternator is pretty small but is clearly doing fine since your voltage is staying around 14v; which is great. Any voltage between 12-14 volts is good. Higher is better of course.

07-31-2011 09:51 PM

kingtube69

14V Normal?

Hi all, I know my questions must become annoying however, please bare with me as I have only had my license for just over a year (Provosionals) therefore i have had no real hands on experience with Auto Electrical systems.

My car voltage likes to Fluctuate a lot and i am not sure what it should ACTUALLY be... Do most basic systems sit at 14? or Lower? or higher?

When i start my car, it reads 14.20-14.30 Volts then slowly drops as i'm driving... for example i just went for a drive to the shops 20 - 30 minute trip in total. When i started my voltage reading was at 14.25 and when I just got back to work it had decreased to 14.00V

I have an AE92 Corolla with a 4A-FC engine and 70A Alternator - Big 3 Upgrade in 0 Gauge.
The system consists of:
15" Kicker CVR 07
Fusion 4 channel bridged for the CVR
Pioneer iPod Headunit
2 4" Pioneer speakers
2 6" JBL GTO speakers

So, i Guess what i am getting at is, is floating like this normal?
What is the average voltage that it should be at?
If anyone has any input, could you please add it as it is vital to me knowing if i can keep my system in my car or not..

Thank you for your time

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