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Joined: Dec 2003
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OP
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Do the yellow top optima batteries really make a difference if you have a big sound system in your car. I have two amps in my car....one for the lows and one for the highs. On moderately high volumes, my amp for the highs goes out and comes back and just cycles like that until i turn it down. My friend suggested that I get a yellow top optima battery. Will this help?
98 Tour SE 2.5L
Pioneer 8600 HU
4 Infinity Kappa 5'7's
2 Kenwood Typhoon 12's
18" TR Motorsports wheels
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Joined: Mar 2001
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Hard-core CEG\'er
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Hard-core CEG\'er
Joined: Mar 2001
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Adding a battery to the rear of the car will almost always be an improvement. However your high amp cuting our sounds like it could be "clip" related. If both amps power come from the same source and only one shuts off I would look other then power problems. A quick check with a voltmeter would answer both questions:
(1. Do you need a second battery and 2. Is the second amp cutting out due to low voltage)
It could be as simple as a loose ground to the high amp.
Previous Owner of 00 SVT Contour #1077/2150 
95 Contour SE '01 3L 
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Newbie
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Newbie
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Yellow top batteries are Deep cycle batteries, and are designed to have a high amp out put for longer periods of time,and will recover from a dead cycle (as apposed to a red top, which will not recover well from 0 CCA'a) Also conisder moving up to an 80Amp alternator. it's not too expensive, but it is custom, and you might have a hard time finding one for the contour
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Joined: Aug 2002
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Hard-core CEG'er
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Hard-core CEG'er
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Originally posted by tbonedr:
Yellow top batteries are Deep cycle batteries, and are designed to have a high amp out put for longer periods of time,and will recover from a dead cycle (as apposed to a red top, which will not recover well from 0 CCA'a) Also conisder moving up to an 80Amp alternator. it's not too expensive, but it is custom, and you might have a hard time finding one for the contour
Moving up to a 80 amp alternator? The stock contour alternator is rated at 135 amps. 
If you truly need more than that, search for the threads regarding the PA Alternator, 200 amp IIRC.
1999 Blk/Tan CSVT #654 - SOLD
2003 Suzuki SV650s
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Addicted CEG\'er
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Addicted CEG\'er
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Originally posted by path914:
Originally posted by tbonedr:
Yellow top batteries are Deep cycle batteries, and are designed to have a high amp out put for longer periods of time,and will recover from a dead cycle (as apposed to a red top, which will not recover well from 0 CCA'a) Also conisder moving up to an 80Amp alternator. it's not too expensive, but it is custom, and you might have a hard time finding one for the contour
Moving up to a 80 amp alternator? The stock contour alternator is rated at 135 amps.
If you truly need more than that, search for the threads regarding the PA Alternator, 200 amp IIRC.
also, iirc, none of the optima batteries like to be completely discharged, be it yellow or red top.
02 Mustang GT... Tuned by Nelsons. Low 12's, anyone?
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Veteran CEG\'er
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Veteran CEG\'er
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My lights on my Taurus would almost shut off when I tuned the stereo up, now the flicker a little but I'm not worried about it.
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Hard-core CEG'er
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Originally posted by path914:
Originally posted by tbonedr:
Yellow top batteries are Deep cycle batteries, and are designed to have a high amp out put for longer periods of time,and will recover from a dead cycle (as apposed to a red top, which will not recover well from 0 CCA'a) Also conisder moving up to an 80Amp alternator. it's not too expensive, but it is custom, and you might have a hard time finding one for the contour
Moving up to a 80 amp alternator? The stock contour alternator is rated at 135 amps.
If you truly need more than that, search for the threads regarding the PA Alternator, 200 amp IIRC.
I believe he meant 180 amp. That's the HO one I got thru the GB (not 200 amp.)
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Joined: Mar 2005
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Newbie
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Thank you RG I did mean 180, I'm not a typist. 200 amps is kind of overkill, 135 just isn't enough for lots of aplications, and 180 seems just right
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Captain Impound Boy
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Captain Impound Boy
Joined: Aug 2002
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Ya ill follow your advice after your Totally wrong!!! 80amp alt here i come!
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Joined: Sep 2000
Posts: 4,789
I feel Guilty, Oh so guilty
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I feel Guilty, Oh so guilty
Joined: Sep 2000
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Originally posted by tbonedr:
Thank you RG I did mean 180, I'm not a typist. 200 amps is kind of overkill, 135 just isn't enough for lots of aplications, and 180 seems just right
135 is more than enough for multi-thousand watt systems...
To need more would require some very very serious systems.
"If you are flammable and have legs, you are never blocking a fire exit"
-Mitch Hedberg
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