Y will a big amp kill a stok elec system?

[60ndown 10+ year member]

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?

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[mike75356 10+ year member]

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?

 

[revrider1 5,000+ posts]

Current draw causes this, Sounds like you need to upgrade that alty.

 

[60ndown 10+ year member]

.... 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

 

[FoxPro5 5,000+ posts]

What is the current demand in amps?? My feeling is you will be fine with a strong starting battery and the Big 3. Read, learn....http://www.bcae1.com

 

[revrider1 5,000+ posts]

All depends on the amperage of the alty, those amps do draw some current though.

 

[Slo_Ride 5,000+ posts]

your alts about 70 amps

 

[MikeyB 5,000+ posts]

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.

 

[60ndown 10+ year member]

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

 

[Lakota 5,000+ posts]

Aren't Toyota's uni-bodys though? New alt and better wiring ftw.

 

[60ndown 10+ year member]

Aren't Toyota's uni-bodys though? New alt and better wiring ftw.

what does unibody mean?

 

[dleccord 5,000+ posts]

one body

 

[MikeyB 5,000+ posts]

**** u got a big port!//content.invisioncic.com/y282845/emoticons/crazy.gif.c13912c32de98515d3142759a824dae7.gif

Did lol, 101sq in

 

[helotaxi 5,000+ posts]

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.

 

[MegaHurtz 10+ year member]

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.

 

[60ndown 10+ year member]

last 2 posts were exactly what i was looking for thanks. also found this,

(((It just depends on how you listen to it

My system is capable of drawing ~250 amps and it's running off of my stock battery (which is over 5 years old now) and stock 80 amp alt, and there are no issues, dimming or otherwise. If you have the sub balanced like it should be and you listen to music (as opposed to rap), you'd have to be deaf to ever have a problem. The problems come when you either have the sub boosed 15-20dB above the rest of the system or you play sine waves and bass testing songs constantly, or both.)))