Just wondering how much is too much in your opinions. I've got a 400watt amp, and my headlights running directly off the battery. I just got some new driving lights and i'm thinking of putting them off the battery too. Do you think thats too much? I mean simply put thats 400+55+55+55+55=620watts coming right off the battery. What are your thoughts?
what do you guys think is safe?
- Thread starter spazmoid
- Start date
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fixenrust
socket buster
I don't think the 400 watt amp pulls 400 watts. It amplifies a smaller signal to produce 400 watts. Most amps use a 25 amp fuse.
St Louis SHO
Rollin' coal
:frantic: 
1993MTXSHO
Its a Taurus...
I have a 1600 watt amp and im running the piaa foglight setup right off the battery and I don't have any problem with my 90 amp mtx alternator, oh yeah and I have an underdrive alternator pulley
alright sounds good, i know the amp doesn't really take 400watts right off the battery but i was more concerned with the pulsations from the amp plus 220 watts from the lights and that overheating something or effecting electronics somehow.
92sho16
b00sted
is this 400 wrms or max? what kind of amp? because it may not even be a 400 watts but at any rate its safe to pull whatever power out of the battery, you need to be worried if the alternator can put back what you take so if anything look into a high output alternator.
jelloslug
Digital
Even using the wattage you posed that only a current draw of around 52 amps. With the proper wiring, distribution, and fuses you should be just fine.
hawkeye18
Sorta cares
If you're worried about it, I would put a 1 farad cap on the amp power wire. That will fix any problems that may come up. They're pretty cheap - about $30-40 off ebay.
kzoosho
Holset HX52
Caps are phasing out but you could get one to make up for some stuff.
Toul
New Member
Or you could simply fix the problem instead of trying to cover it up.
Even with all you have listed youre likely under 50 amps at full tilt. Youre fine. I dont know what problems you think you will have. Dimming? If you have dimming, you dont need a cap, you need to upgrade your big 3. Cheaper than a cap and it will help your car in other ways as well.
Even with all you have listed youre likely under 50 amps at full tilt. Youre fine. I dont know what problems you think you will have. Dimming? If you have dimming, you dont need a cap, you need to upgrade your big 3. Cheaper than a cap and it will help your car in other ways as well.
1993MTXSHO
Its a Taurus...
I have a 1.2 Farad cap, it helps a LOT
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