Phototini_xB Posted August 14, 2012 Report Share Posted August 14, 2012 I know how a DC charging system works, and if you could read you would see that I was talking about when excessive amperage was being pulled to the point that the batteries (A.K.A reserve) was depleted. The alt will still try to charge the batteries at the same time as powering the amplifier which will worsen the situation. Perhaps in my previous posts I didn't do a great job of wording my thoughts. Technically its an AC generator, ever wonder why they are called alternators? Just sayin, haha. Actually it hasn't been an A/C generator in at least 20 years. To make an alternator run A/C you need to modify it, which is commonly done on large case leece neville's and Electrodyne's to run welders and large air compressor's on commercial trucks. 2012 Scion xB Build- http://www.stevemeadedesigns.com/board/topic/150000-2012-scion-xb-temp-build/ Link to comment Share on other sites More sharing options...
Casket Posted August 14, 2012 Report Share Posted August 14, 2012 An alternator produces AC current but it is converted to DC by the rectifier inside the alternator. Kenwood KIV-701Crescendo BC2000DDC Audio lvl3 w/ lvl4 upgrade, 18''6ft^3 @ 27hzMBquart ONX 4.125(2) PWX 6.5 (2) PWX 8(2) FT1300amp Singer with VCM @14.5Optima YT & D1200My Build Log every company has their niche market. hifonics has successfully captured the average ignorant teenage boy. Dont trip.. Ive never won anything in my life. Spite a 10lb cock and a bucket of balls at birth,......Yeah.. like i said, nothing in my life. meh, im cool with it, fuck it. Link to comment Share on other sites More sharing options...
Kranny Posted August 14, 2012 Report Share Posted August 14, 2012 An alternator produces AC current but it is converted to DC by the rectifier inside the alternator. this LOL Link to comment Share on other sites More sharing options...
Phototini_xB Posted August 14, 2012 Report Share Posted August 14, 2012 An alternator produces AC current but it is converted to DC by the rectifier inside the alternator. this LOL Exactly, the solid state diode's are what produce the DC for modern vehicles. So if you want an actual A/C alternator you need to take out the rotor and the diode pack and run your 3 phase wires out of the alternator. 2012 Scion xB Build- http://www.stevemeadedesigns.com/board/topic/150000-2012-scion-xb-temp-build/ Link to comment Share on other sites More sharing options...
PardeTime Posted August 14, 2012 Author Report Share Posted August 14, 2012 I'm just taking the subs and amp out.... Who wants to buy Em? Link to comment Share on other sites More sharing options...
MECHMAN Posted August 15, 2012 Report Share Posted August 15, 2012 I figured I had it wired correctly. I get around 14.5 volts but I have seen it go as low as 13.2, I just want a constant 14.5, never dropping. My alt is stock, either 140 amp or 160 amp, those are the options my car has, not sure which one I have for sure. it has all 2 gauge wire under the hood. and I have all 0 gauge wire in the trunk. All the stereo shops say the 2 gauge is fine under the hood, and there is no reason to run 0 gauge for big 3....but I just want highest volts possible as to not hurt my amp. and have it run best. You would not need 0 gauge for the alternator wiring as the amperage is low enough. If you switch to High Output Alternator over 200amps, I would recommend using zero gauge...you would be safe with 2 gauge, but most people will eventually upgrade. At that point, your necessary cable will already be in place [email protected] 1-888-MECHMAN www.Mechman.com [email protected] Link to comment Share on other sites More sharing options...
MECHMAN Posted August 15, 2012 Report Share Posted August 15, 2012 Group 31? Explain that please. With regards to Group 3100 batteries, they are some of the largest on the market, and the brand we recommend, XS POWER, can support up to 5000 watts as a secondary source of power. The D3100s weigh 75.40 lbs and have a CA (cranking amps) rating of 1360. This is important when figuring out how much power you really need. The rating is defined as "a measurement of the number of amps a 12v battery can deliver for 30 secondes at 32 degrees F and not drop below 7.2volts." These batteries are beasts and many of our customers utilize them if they have the room in their vehicle. [email protected] 1-888-MECHMAN www.Mechman.com [email protected] Link to comment Share on other sites More sharing options...
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