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what do i need, headlights flicker


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draggin waggin 
Member - Posts: 16
Member spacespace
Joined: June 16, 2008
Location: Virginia, United States
Posted: July 05, 2008 at 11:37 PM / IP Logged  
I have an alpine mono amp (1000 watts rms) and a rockford 4 channel (400 wats rms total)
I put in an HO alternator (160 amps) and upgraded the big three to 0 gauge.
Buttt... my headlights are flickering.
What I don't have is a bigger battery, but I'm not sure if that matters.Is the alternator I have sufficient? Any recomendations would be greatly appreciates.
yeah........
haemphyst 
Platinum - Posts: 5,054
Platinum spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. Click here for more info.spacespace
Joined: January 19, 2003
Location: Michigan, Bouvet Island
Posted: July 06, 2008 at 12:48 AM / IP Logged  
You didn't say which mono amp you have, so I will assume a worst-case scenario.
1000/.60=1666 watts in
1666/14=119.5A
400/.6=667 watts in
667/14=47.6A
119.5+47.6=167.1
Your two amps, by themselves, can suck more curent than the alternator can produce. One of two things MUST happen:
1: You need more alternator.
2: You need less system (or don't play your existing system as hard)
That's what you can do.
It all reminds me of something that Molière once said to Guy de Maupassant at a café in Vienna: "That's nice. You should write it down."
draggin waggin 
Member - Posts: 16
Member spacespace
Joined: June 16, 2008
Location: Virginia, United States
Posted: July 06, 2008 at 1:12 AM / IP Logged  
The mono amp is an alpine m1000 v-power which is running at 2 ohms.
I've been trying to find an alternator around 200 amps, but it's hard to find for my 89 civic wagon.
yeah........
robsatx 
Member - Posts: 9
Member spacespace
Joined: July 06, 2008
Location: Texas, United States
Posted: July 07, 2008 at 9:19 AM / IP Logged  

draggin waggin wrote:
The mono amp is an alpine m1000 v-power which is running at 2 ohms.
I've been trying to find an alternator around 200 amps, but it's hard to find for my 89 civic wagon.

Have you checked with a local rebuilder to see if they can install a larger stator in your alternator?

draggin waggin 
Member - Posts: 16
Member spacespace
Joined: June 16, 2008
Location: Virginia, United States
Posted: July 07, 2008 at 3:20 PM / IP Logged  
I don't think there is a rebuilder around, but I'll look into it.
I did find a iraggi 180 amp one for 300, which I can afford but I messaged him if there was a 200 one around.
If there is none available, would the 180 be fine, cause the rest of my car is stock.
yeah........

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