posted
OK, we JUST got the car a few weeks ago and started installing the system. it's not done yet by a long shot. I do not have the big 3 done yet. I do not have a HO alt. however, I used to run 1 red top under the hood and 1 stinger spv70 in the back without big 3 or HO alt in an Olds Cutlass and Dodge Intrepid with ZERO problems. the systems in those were WAY louder and hit much much harder than this one, plus I had a kicker 350.4 and 200.2 in those as well. when I ran the lanzar in it, it was at 1 ohm , now only 2 ohm, and before that an inefficient Audiobahn A1500HCT that popped 100amp fuses left and right till I just ran the power wire strait to the battery no fuse.
this one is totally not ready... single 2 ohm coil on a Lanzar OPTI2000D...and it clips very easily. I can hear clipping and I back it off. Sometimes the sub starts to stink a little. The amp is rated 1100 RMS @ 2ohms, but I am going to guess I'm doing no more than 900. We first put 1 redtop under the hood and hooked up 1 of the 5 in back. With 2 hooked up, no big 3 or HO alt, I STILL should not get any headlight dimming even "full tilt" at 2 ohm, but I cant do that or I clip and cook. But we keep it real, real low because of that..and it still dims! Hooked up a second in back and took the extra 3 batteries completely out for now. Same problem... solid grounds for both of them.
What gives? 10 amp draw per battery, so 20 extra amps now from the 2 in back . Just guessing no more than 50 amps for the amp (probobly much less) so yeah yeah, maybe up to 70 amps in addition to normal current draw, but still... i never had that with my intrepid or cutlass!
OLDs... 1 red top, 1 stinger spv 70, 1 Audiobahn A1500HCT 1 Kicker KX350.4... no big 3, no HO alt! (had that worthless cap in there for a while, oooh... 1 farad... I'd take 1 battery over 100 farads any day of the week)
quote:Originally posted by kryptonitewhite??: used to use 8 guage power wire and distro blocks for speaker wire for very low resistance
distribution blocks on speaker leads add quite a bit of resistance. I've tested with and without them, good gain by getting rid of them.
Posts: 5494 | From: Columbus, OH - formerly FL | Registered: Oct 2003
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quote:Originally posted by kryptonitewhite??: 4 batteries are 12.42 volts and 2 are 12.02 volts, all car off
Is that measuring across the battery posts? If so, those batteries aren't properly charged. My redtops sit around 12.9 and some of them are from 1999. My Powermaster is also AGM and it will rest at 13.1 with domelight on for 10hours and not lose a tenth of a volt.
You should test each of those battery's voltage out of circuit, one at a time. You might have one battery with a bad cell. Also, you need to charge each battery individually until your voltage floats around 13V before putting them in the car.
Posts: 5494 | From: Columbus, OH - formerly FL | Registered: Oct 2003
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posted
Bill, I think i know what Nick is talking about. A lot of newer cars, mostly GM's have the alternator controlled by the vehicles computer. In order to conserve fuel economy, they will "shut-off" the alternator, or reduce the load on it. That means the engine doesn't have to work as hard to spin, meaning better fuel economy. The sucky thing is, the alternator isn't always supplying power for the stereo system.
i still think it's a bad battery.
Posts: 5494 | From: Columbus, OH - formerly FL | Registered: Oct 2003
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quote:Originally posted by D-Bass: Bill, I think i know what Nick is talking about. A lot of newer cars, mostly GM's have the alternator controlled by the vehicles computer. In order to conserve fuel economy, they will "shut-off" the alternator, or reduce the load on it. That means the engine doesn't have to work as hard to spin, meaning better fuel economy. The sucky thing is, the alternator isn't always supplying power for the stereo system. i still think it's a bad battery.
yep Im sure that it dosent conserve a ton of gas just enough for the average joe most people wouldnt realize they had it but if you add a stereo and start monitering your voltage you really notice it
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