dual battery in 99 grand am l4

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LqDFx

Copper - Posts: 69

Joined: July 10, 2004

Location: Indiana, United States

Posted: June 27, 2008 at 3:22 PM / IP Logged

I need some help with a dual battery setup in a 99 Grand AM L4. I need to find an alt. that is bigger than the stock and I am having no luck. Then once I have that I am going to get two new identical batteries for the car. What else do I need to do besides wire them in parallel? Do I need to upgrade the wiring on the first battery under the hood? Can I use the 4ga that I have currently in the car for the amps?

Do I really need to go with a dual battery for my system anyway? I am running 2 amps with a draw of 60 amps, so I am sure that the 90 amp alt is not doing the job there.

Sony XAV-A1 HU, RF P4004 AMP, RF P3001 AMP, 2 RF 10" P1S410 Subs, LA S2.35.2 Dash Speakers, LA S2.525.2 Door Speakers, RF FRC3268 Rear Speakers

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jar754

Copper - Posts: 142

Joined: December 16, 2003

Location: Illinois, United States

Posted: June 27, 2008 at 5:41 PM / IP Logged

4 gauge is fine for the amps, do a search and enter upgrade the big 3

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still_walkin

Silver - Posts: 644

Joined: April 18, 2007

Location: California, United States

Posted: June 29, 2008 at 7:26 AM / IP Logged

i dont think you need a second battery unless you are going to listen to your radio with the car off for a long period of time. and two batteries is a pain because you have to buy two new ones because they must be likeness of charge and age. do the bige three and bigger battery and you should be good

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dual battery in 99 grand am l4

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