Tried Everything but still have severe voltage drop and dimming

[madcad95 10+ year member]

I just checked and those amps total up to a 100 amps of fusing plus with running the car the alt could be running out of steam I would say a bigger alt should fix your problem.

 

[LosIsATool 5,000+ posts]

I just checked and those amps total up to a 100 amps of fusing plus with running the car the alt could be running out of steam I would say a bigger alt should fix your problem.

There is no way those amps are stressing that much. It's the gain.

 

[Sub Woofin 10+ year member]

maybe its your battery. inadequate amps stored

 

[madcad95 10+ year member]

He has replaced the batt he has 0 gauge and he has a newer alt I believe 136 amps and he has done the big 3 I'm guessing dctc is correct in that he is clipping the amps which is causing an excessive amount of current draw. However I do feel that anything over 1000 watts calls for an upgraded alt in a daily driver not a must but definitely a worth while upgrade though.

 

[Falcons 5,000+ posts]

So it's settled. He needs to set his gain properly.

 

[firefighter_324]

Thanks for the replies .. Can you tell me how to test with my Digital Multi Meter ?

Also, what do you mean rethink my sub stage ? A better sub ?

I can only hookup my sub as 8 ohm or 2 ohm .. (changed by fuse)

Thanks,

 

[Dr. Slam 10+ year member]

In my Buick I had minuscule voltage drop and my factory lights still dimmed so I got HIDs and they stay bright

 

[TheUnderFighter 10+ year member]

Anyone suggesting you buy something new is out of their mind. You've already spent too much money on this issue. There is something wrong somewhere. With those average sized amps and that entirely adequate alternator and battery, there's something wrong.

First being, your gains are set wrong.

Other than that, I can't think of something else. But don't get an HO alt, you're not running nearly enough power for that.

Also, sell your capacitor. It's useless. Here's why: :: NANOPULSER.COM.SG ::

Your sub is wired to 2 ohms, and your amp makes power at 2 ohms. You've got an average 4 channel amp. 0 gauge. wiring. 0 gauge grounds. New 136a alt.

I have 1600w on my 70a alt and OEM battery and I have zero dimming. So, there's something wrong on your end.

Make sure your gains are set properly with a DMM on both of your amplifiers.

 

[IonRL205 10+ year member]

He has replaced the batt he has 0 gauge and he has a newer alt I believe 136 amps and he has done the big 3 I'm guessing dctc is correct in that he is clipping the amps which is causing an excessive amount of current draw. However I do feel that anything over 1000 watts calls for an upgraded alt in a daily driver not a must but definitely a worth while upgrade though.

I run my BRZ2100 with a stock alternator, yellowtop optima, no big 3 and I have no dimming lol

 

[madcad95 10+ year member]

I run my BRZ2100 with a stock alternator, yellowtop optima, no big 3 and I have no dimming lol

Well congratulations I guess ?

 

[IonRL205 10+ year member]

Well congratulations I guess ?

You're the one saying you need a HO alternator for anything over 1000 watts. Like seriously, what are you smoking?

 

[madcad95 10+ year member]

He has replaced the batt he has 0 gauge and he has a newer alt I believe 136 amps and he has done the big 3 I'm guessing dctc is correct in that he is clipping the amps which is causing an excessive amount of current draw. However I do feel that anything over 1000 watts calls for an upgraded alt in a daily driver not a MUST but definitely a worth while upgrade though.

Read again

 

[IonRL205 10+ year member]

Read again

I read that you contradicted yourself.

You say you feel anything over 1000 watts needs an upgraded alt, but then you say it's not a must?

 

[madcad95 10+ year member]

Do you have to no will it still work ok without 1 yes but as stated I feel it is a worthwhile upgrade for larger systems it does take power to make power doesn't it ?

 

[Flex68 10+ year member]

I have an 08 Ram 1500 quad cab. Was experiencing dimming with factory system whenever I would turn my A/C on.

Cleaned and re-torqed all connections (battery, chassis, engine, alt) and the whole problem went away afterwards...

With that amount of power you shouldn't be dropping under 13 volts. Might be a bad ground somewhere if anything else get a HO alt, if it's not that you can just sell it again on here and make most your money back.

Kills rabbits with a .458 Winchester Magnum....

Do a big three and see what happens. Check your sub wiring also.

Did you read the OP...?