I did the Big 3 And My Lights still dim big time when Bass hits.
What i Have:
Yellow top Batt
4gauge from Alt to Batt
4Gauge from Engine to Chassie
4gauge from engine to Batt

System:
Ultimate T3 500D
Mach 5 Audio 12" In a 4th order Bandpass(Thanks Smartass for this BEAST)

I running 8gauge to the amp(Power)
6gauge grounded to the chassie.

Would a 1.5f Cap help Cause i have 1.

Any help would be great.

 

First thing I would suggest is upping the sizing of your main power and ground to 4g units as a 8g main run for a 1000watt amp is rather weak.

Make sure you've got a good grounding spot.

What size is your factory alt?

 

yes first thing you should do is get more 4 gauge and upgrade your wiring to the amp because the T3-500D recommends 2 guage and says minimum should be 4 gauge.

then if it still dims bad i would say your next thing to do is either upgrade your ALT or buy a CAP and run your system with the CAP until your ALT fails or you can afford to upgrade your ALT

 

Its on a Ford Focus, I have No idea on where to get a Upgraded Alt..
I Have a Cap, Ill install it this weekend And I will upgrade the Power cable to 4 g too.

 

Check the resistance of your ground from the amp to the battery, anything more than maybe .5 ohm indicates a problem.

IMO if you're going to upgrade the power why not go to 1/0?

If you upgrade the power wire, verify that you have a good ground, and still have dimming, may as well try the cap.

Alternator shouldn't really be required wit that amp but it wouldn't hurt.

 

That amp will draw almost 100 amps all by itself. And you still have to run the car. Ign 5 amp, headlights 15, rear defog 20, etc. etc.The focus probably comes with a 105 amp alt. No wonder your lights dimm.

Here is a link for a remanufactured 200 amp alt.

http://www.autopartsonlinecanada.com/category/alternator/ford/focus.html

You're welcome.

 

Extreme Automotive
Alternators & stater rebuilders
Tel:416 837 5243
Msn: Extreme-Automotive@hotmail.com

custom made high amp alternators

 

http://www.canadiancaraudio.com/online/general-discussion/21173-ho-alternator-jag.html
think about what i told him
and why 4 g wire why not 0 g wire right form the start