Y will a big amp kill a stok elec system?

60ndown
10+ year member

CarAudio.com Veteran
just wondering why and what happens when a big amp kills a stock electrical system as im running an orion 2500d @ 2 ohms on 1 x 12 rl-p 0guage in no big 3 and stock alt on a toyota previa, gettin slightly concerned i may destroy something slowly?

 
Basically you kill your stock electrical system when your amp(s) are pulling to much current to quick and your alt is not able to put out enough power fast enough to keep up.. I think i word'd that right lol.... How many amps is that alt?

 
.... How many amps is that alt?
no idea how many amps it makes? same as a toyota camry i think //content.invisioncic.com/y282845/emoticons/rolleyes.gif.c1fef805e9d1464d377451cd5bc18bfb.gif

 
Upgraded big 3 to 1/0 and you would probably be fine with that setup, as long as that amp is running at 2 ohm. If you drop it down then your gonna have to get a new alt for sure.

 
Upgraded big 3 to 1/0 and you would probably be fine with that setup, as long as that amp is running at 2 ohm. If you drop it down then your gonna have to get a new alt for sure.
**** u got a big port!//content.invisioncic.com/y282845/emoticons/crazy.gif.c13912c32de98515d3142759a824dae7.gif

11aux6s.jpg


 
Unibody: the car has no frame. It is all formed sheetmetal that is tack welded and glued together. Most are really terrible conductors and don't make for a good chassis ground.

To answer the OP question, once you exceed the max output of the alt, the battery starts to discharge and the whole time, the alt is running at its max capacity which it was not designed to do. It will eventually get very hot and like most all things electrical heat is its enemy. Eventually the excessive heat will cause the alt to fail. Discharging a normal battery more than would normally occur during the starting of the car will eventually damage it as well.

 
Why does it kill the electrical system?

The stock charging system can't keep up with the current demands of the amp. Thus, your car will compensate by dropping the voltage and increasing current output. As current output increases, so does heat. Heat kills. As your sound system draws more and more current, the charging system will drop lower and lower to compensate with more current. Eventually, this will cause something to overheat, which inevitably leads to component failure, be it your alternator, battery, or even wiring.

 
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