Choosing altenator size?

Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=76162
Printed Date: May 11, 2025 at 5:45 PM

Topic: Choosing altenator size?

Posted By: carguy411
Subject: Choosing altenator size?
Date Posted: April 13, 2006 at 12:27 AM

im doing a coupke of systems and want to change the alenators to High output ones
the first is a 2000 bmw 3 series in it where putting
1-jl audio 1000 monmp
1- jl 300/4 amp
1- tv HU(alpine or clariion
3- lcd monitors
leds,neons, strobes,1 linear actuator etc..

second system in in a 04 tahoe
smaller system just apine 310 HU
2 headrest monitors and
1-7801 MTX thunder amp.

what size altenators you think i can use that can handle this and keep lights from dimming

and what price range should they be for the altenator itself and instalation
thanks

Replies:

Posted By: tcbturbosux
Date Posted: April 15, 2006 at 11:14 AM

what are the sizes of the fuses on the side of the aplifiers?

Candy

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Uncle Gumby

Posted By: arrow12
Date Posted: April 16, 2006 at 9:37 PM

You should go with the biggest you can afford. First... It allows for future upgrades. Second... An alternator that makes more amps than required doesn't have to work as hard. This can lead to a greater longevity.

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That's my opinion. Take it, leave it, or correct me.