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#73289 - 01/08/04 11:23 AM extra battery
j6golf Offline
Junior Member
Registered: 11/04/03
Posts: 23
Loc: long island, ny
i have a lot of neons, a dvd player and big system in my 97 gt and am drawing a lot of power from the battery to run these accessories, i want to install another battery in the trunkl. does anyone know how i woud do this and hook it up to the alternator, anyone tried doing this before, any advice would be appreciated.
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#73290 - 01/08/04 01:54 PM Re: extra battery
LEADSLEDGTP Offline
Member
Registered: 09/05/03
Posts: 42
Loc: Waldorf,MD
Another battery will not really be a hole lot better.Your best bet is to buy a smaller pully for the alternator.You can buy the pully at www.ZZPerformance.com i think its like $15.Hope that helps you out.
Justin
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SLP intake,S/D Ram Air Hood,Custom 2.5 headers back exhaust,U-bend removed,3.25" pully,Reprogramed PCM,180-T stat,Plugs&Wires,Tranny Cooler,ZZPerformance stage2 S/C,stage1 throttle body
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#73291 - 01/09/04 02:31 PM Re: extra battery
HercMan(Rob) Offline
Member
Registered: 09/12/03
Posts: 14035
Loc: Fort Worth, Texas
You could run a second battery (I'd use a sealed cell battery like a optima yellow top) or you could install a higher amped alternator. The best would be to install both. Putting an overdrive pulley on the current altinator will only cause premature failure and wont supply the extra oomph your lookin for.
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#73292 - 01/10/04 02:14 AM Re: extra battery
j6golf Offline
Junior Member
Registered: 11/04/03
Posts: 23
Loc: long island, ny
i like the idea of the yellow top but i also heard i would need to hook the new battery up to a cellenoid and then to the starter battery
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#73293 - 01/10/04 10:26 AM Re: extra battery
HercMan(Rob) Offline
Member
Registered: 09/12/03
Posts: 14035
Loc: Fort Worth, Texas
Ive never done it but I think it should be pretty easy to do. Check out clubgp.com theres lots of good info in there.
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#73294 - 01/10/04 11:14 AM Re: extra battery
PORKCHOP Offline
Member
Registered: 02/14/03
Posts: 136
Loc: MALTA, N.Y.
I think your going to have more problems than its worth. It's going to have to be set up to be totally seperate from your starting system and your other systems. Your only 12v, not 24v, If you hook up this thing and screw it up, you will probably fry your PMC along with your lights. Better off getting a ALT from a COP car with a higher amp rating. They draw more amps than you ever will. This is only my opinion, Its your ride. P"CHOP savewave
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#73295 - 01/10/04 02:51 PM Re: extra battery
HercMan(Rob) Offline
Member
Registered: 09/12/03
Posts: 14035
Loc: Fort Worth, Texas
check out this link

http://www.clubgp.com/newforum/tm.asp?m=...mode=&s=#835818

might answer some ???s for ya
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#73296 - 01/22/04 08:00 AM Re: extra battery
Silentsam Offline
Junior Member
Registered: 12/05/03
Posts: 17
Loc: Canada
Maybe ask a local car radio installer, they load cars the teen-agers drive, I'm sure they'll be able to help you much better than the guyes in here will..
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#73297 - 01/22/04 11:45 AM Re: extra battery
jvojr Offline
Member
Registered: 07/31/03
Posts: 583
Loc: Catskills, NY
A higher amp alt will cost you some hp?
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2004 GTP CompG. WS6, 3.29 axle, HUD, tapshift, Premium sound, XM radio, leather, sunroof, 17inch 5 star chromies, BFG Comp T/A. Wizaired CAI.

Traded in. 2003 GTP. Every option but HUD. New Mods: Wizaired CAI, SLP Headers, Cat, U-bend and Downpipe, 3.2 Modular Pulley, Phase 3 rollers w/OR Pushrods, Larger Belt Tensioner Pulley, Gatorback, AL103's, 180 Degree Stat, DHP
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#73298 - 01/22/04 04:10 PM Re: extra battery
HercMan(Rob) Offline
Member
Registered: 09/12/03
Posts: 14035
Loc: Fort Worth, Texas
yes a higher output alternator will sap some power. But so will all that extra weight hes draggin around.
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#73299 - 01/23/04 05:08 PM Re: extra battery
Brian Straker Offline
Junior Member
Registered: 01/23/04
Posts: 4
Loc: Republic MO
Very easy to put a 2nd batt in the trunk. Just mount the batt in the trunk. Run your power wire for your amp to your 2nd batt 1st then from batt#2 to your amp. You will need to ground your 2nd batt in the trunk somewhere I suggest drilling a hole in your trunk and runnin you ground through the hole and ground it out on the frame. Also if I were you I would put a second fuse block on your power wire close to your 2nd batt. If for some reason your power wire grounds out the front fuse will blow but if you have no fuse by your 2nd batt your power wire will still be hot and may cause fire mad fire=lotsa $

By the way I do have alot of experiance in car audio if you have any more ? just ask
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#73300 - 01/23/04 07:05 PM Re: extra battery
HercMan(Rob) Offline
Member
Registered: 09/12/03
Posts: 14035
Loc: Fort Worth, Texas
sounds pretty easy to me.
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#73301 - 01/23/04 08:35 PM Re: extra battery
j6golf Offline
Junior Member
Registered: 11/04/03
Posts: 23
Loc: long island, ny
the amp power wire idea sounds fine but i need to run a relay so the two batteries are both charged separately, to do so i have to hook the isolator up to a true ignition source in the engine bay but don't know where to find one
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#73302 - 01/24/04 09:06 AM Re: extra battery
Brian Straker Offline
Junior Member
Registered: 01/23/04
Posts: 4
Loc: Republic MO
if you hook it up like I say your alt will keep both batts charged equally
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1999 White GP Coupe
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#73303 - 01/24/04 09:21 AM Re: extra battery
Brian Straker Offline
Junior Member
Registered: 01/23/04
Posts: 4
Loc: Republic MO
why you need them to charge seperatly?
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