do i need to upgrade my alternator?

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ippy98

Member - Posts: 25

Joined: January 23, 2005

Location: United States

Posted: February 05, 2005 at 9:51 AM / IP Logged

what is the average power that a car alternator can handle?

I have an 05 focus and will only be running about 650W RMS (50W rms x 4 and 250W rms x 1). Should I really worry about upgrading my alternator or do I need to do anything at all?

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skoldspuppy

Silver - Posts: 342

Joined: July 11, 2004

Location: United States

Posted: February 05, 2005 at 10:27 AM / IP Logged

Most New car alternators handle between 60-80 amps depending on the car, the best thing is install it see if you have any problems first, then start with adding beefier ground wires "AKA the big 3" a Deep cycle battery and then finally an alternator.

I didnt have to up my alternator from the stock 80 amp, after I put a 100 amp draw to the system all I did was the big 3 with 2 guage wire and add a deep cycle and the alternator works fine

Hope it helps

Skold

2004 Honda Civic Ex 4Dr

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pimpincavy

Silver - Posts: 880

Joined: May 20, 2004

Location: United States

Posted: February 05, 2005 at 11:04 PM / IP Logged

You probably wont need a alt. I am running equipment of similar wattage in my 88 Crown Vic, which has a original alt. which is probably smaller then your car. Most new cars have a lot of electrical stuff, andon many the headlights come on as the car is starting. That is a big draw on the battery, so they have a big alt. to charge the battery quickly after that.

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jeffchilcott

Platinum - Posts: 2,483

Joined: April 11, 2002

Location: United States

Posted: February 06, 2005 at 1:00 AM / IP Logged

you will be fine I really doubt you lights will even dim at all

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wheelerdr

Copper - Posts: 337

Joined: October 25, 2004

Location: Louisiana, United States

Posted: February 07, 2005 at 9:03 AM / IP Logged

i would call ford and ask their tech dept. to see what amp that alt is

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do i need to upgrade my alternator?

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