Stock FAQs

how many amps does a stock alternator put out

by Prof. Javon Flatley DDS Published 3 years ago Updated 2 years ago
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Most factory alternators are rated at 65 to 100 amps and are capable of handling your vehicle's basic necessities, such as headlights, gauges, fuel pumps, A/C, etc. These alternators also typically come with a 10 to 15 percent reserve to handle additional accessories.Mar 27, 2015

How many amps in an alternator?

Jul 14, 2007 · The rated output for a stock alternator is 60A @ 12V, per the spec's in the FSM. "If i saw a old dude with what appeared to be a cat over his mouth driving faster than me I'd stop driving fast." - Firdaddy

How to tell what amp an alternator is.?

Aug 17, 2019 · Likely between 80-90 amps. I'd recommend to upgrade the following: 1. AGM Battery. 2. 0 Gauge Power & Ground Cables. 3. High Output Alternator (240 Amps or greater) If the amplifier draws low power (15-20 Fused Amps), you might get away with the stock OEM Alternator.. Save.

How many amps should a car alternator put out?

Nov 13, 2005 · Nov 12, 2005. #7. Yes, the SN's 3G alt is 130 amps. The foxes were 65 amper units, +/- 10 amps over the run of years. An SN cobra should have the same alternator as an SN GT. The stock units are known for not putting out as many amps as they should, once they get old. So if you think you have 130 amps, you might not.

Is a higher amp alternator better?

Dec 28, 2011 · how many amps does a stock alternator put out? 2012 Chevy Duramax CCLB LTZ 4X4 Delivered 12/28/11 2004 Chevy LT CC/LB LB7 4x4 SOLD

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Is A 160 amp alternator good?

The high amp alternator will give you more replacement juice if you are running any high amp load appliances. The 160 amp is known to be used on emergency vehicles that are at a standstill and still running lots of 12v power thru said appliances.Dec 12, 2013

How many amps should A 12 volt alternator put out?

The size of an alternator will most likely increase the set amperage, too. High output alternators (often found on larger vehicles) can use between 200 to 350 amps. Smaller cars by comparison, such as a Ford Mustang, will only use about 100 amps with batteries that run at about 12 volts.Mar 13, 2018

How big of an alternator do I need for 2000 watts?

To figure out how much capacity or amperage the alternator must deliver, determine how much extra power the audio system demands on top of the current system. For example, if you installed a 2,000-watt amp, assuming a nominal voltage of 13.5V, you'd add roughly 150 amps of demand to the electrical system.Aug 20, 2021

How do I know what amp my alternator is?

You should have a stamp on the alternator with a part number and amperage. The part number that starts with F3UZ is the 130 amp, and the F1TZ is the 95 amp. You can use either one.Sep 7, 2016

What size alternator do I need for 3000 watt amp?

250A3000 watt / 12V is equal to 250A. A 250A alternator is needed to keep up with it. Since your engine would have to work just as hard as any portable 3KW generator to keep up with the amplifier, you would need a large fuel tank.

Do I need a bigger alternator for two batteries?

A car alternator will be more than capable of charging two batteries. However you need to be more careful about connecting two batteries together if one is charged and the other is not.Sep 8, 2015

How many batteries do I need for 5000 watt amp?

You will need at least one 450-500 12V battery or two 210 12V batteries to supply 5000 watts of power for 30-45 minutes. If you'd like an hour of 5000 water of power, you'll need a 750ah 12V battery.

What size alternator do I need for 1000 watt amp?

As a general rule, you need about 100 amps of current for every 1000 watts of power generated.Oct 6, 2020

What battery do I need for a 2000 watt amp?

The easiest rule of thumb to follow with electrical upgrades is that for every 2000 watts of RMS power you add, you'll want to add 100aH (amp hours) of AGM battery.Dec 19, 2018

How many amps does alternator charge battery?

Car batteries range from 40AH to 110AH, and alternators range from 45 amps to 200 amps. If you are using a battery charger, a 10 amp charger will take 4 to 11 hours to fully charge the battery, a 2 amp charger will take 2-4 days.

What does a 220 amp alternator do?

With a 220A alternator, you can run a large capacity inverter (2kW or greater) while the engine is running. This allows using things like a convection/microwave, or secondary A/C unit.Jul 15, 2018

How many volts should alternator put out?

13.5-14.5 voltsA good alternator should put out between **13.5-14.5 volts. Stress test the alternator - Place a load on the alternator by turning on the headlights, the radio and the air conditioning. The voltage should remain high with these circuits on.Feb 26, 2016

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