I pretty much finished the big 3 upgrade today. WIth 0guage wiring. Bass is nice and tighter now. my lights still dim like a ****ing bitch when my system is really cranked or at medium levels. dimming is slight but noticeable at the level which i listen to daily.

This is my setup :

Deck is a Kenwood excelon x 789.

Phoenix Gold Titaniuim 400.2 to power INfinity Perfect 6.1 components up front.

RE AUDIO 12.1 Amplifier to power RE AUDIO 12" XXX ported box.

0 guage power wire from the front to a fused distro block. Split into 4 guage as thats all the 12.1 will accept and same as the phoenix gold amp.

O guage battery to ground . 0 guage alternator + to battery +. 4 guage to various engine block ground.

Battery is a MotoMaster Eliminator 630CCA.

NOw the battery is pretty new.

Oh ya and alternator is a 180 Amp high Output Excessive Amperage ALternator...........

Now i need some suggestions/and or help to reduce my damn dimming thanks.

(GrizZz here, wife's PC)

Well from what you've said it all seems pretty good. What kind of vehicle are we talkin' about? Are your lights dimming just at red lights or all the time?

If it's just red lights, then I would look into speeding up that HO alternator, with a smaller pulley, if possible.

The only bottleneck I see is your 4 ga. grounds. You've said you have 0 ga. pretty much everywhere, except for "4 guage to various engine block ground."

The ground off the battery, should have 0 ga. running to a good spot on the frame, body, AND a 0 ga. running to a good spot on the engine block. They're all important ones, as your amps are grounded to the frame/body at the back, so need a good path both to the battery and the alternator (engine ground). Get those cables good, and your bottleneck is just the welds in the vehicle itself. Your system doesn't seem to be overlly large (like my own), so running a 0 ga. ground all the way to the back may not be the solution, but couldn't hurt.

Get the battery tested, just to be sure.

And if you're still in the same boat after all that, I'd hook up an Optima battery, and/or a 1f or 2f capacitor.

Lots more of my electrical advice here: www.allstart.net/batadv.htm

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This might be GrizZz, or this might be GrizZzled (Mrs. GrizZz). You figure it out

with that capacity alt you should be able to run that system no problem. but like griz said your grounds should be 0ga, and maybe looking at a yellow top and caps as well. but start from the cheapest route first.

just for the info my alt is stock (prolly not more than 120 amp), and i have a hifonics brutus mono block and two fosgate punch amps. last night i was blasting my system and i got a a little dimming at idle running full tilt. but i do have a yellow top, big three, and 1 farad cap.

also look at getting some grounding terminals (picked some up from smartass real trick) to give you more surface ground area...................

Prajesh...
you have a big 2 not big 3
anyways..get rid of that battery... get a yellow top!
and how did you do your connection of the wire? ring terminals? crimped or soldered? even tho you have the thick wire the previous connection may have been better... come for a drive you brampton... you know where to find me it was in your private message

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TEAM NOT LOUD
TEAM ELECTRO-PRO
TEAM MAXIMUM THRESHOLD

2005 - 161.2 dB CERTIFIED - 2-RE MT12's on 4 American Bass 200.1

2007 - STREET C - 15" RE MT in a 1995 NEON!
154.2dB 4 AmericanBass 500.1's with way too much voltage drop

2008 - Street C - 15" FI BTL in a 1999 VW Jetta TRUNK!
149.0 on 1 - Powerbass XA3000d
not a bad start for a raw box

lol ok so thats from u decidd to pm you i relpied to you before seeing this. anyways ya when im in the brampton area ill come down.....on a weekend like a saturday or something.......

u said that u only had 4 gauge wiring to your engine grounds u should probilly change that to 0 GA aswell seeing as everything else is done in 0 that should too dont worrie i got the same problem with my system i got every upgrade u can get and my lights still dim to its sometimes hard to get rid of maybe try a optima yellow top battery

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1999 Grand Am RED
- Alpine DVA-9965 Head Unit
- Focal Front 5 1/2's
- Focal Rear 6x9's
- 15" L7 Kicker / 5.6 cubic foot box net
- Ultimate T3-1000D Amp
- 200 Amp high output Altenator
- Yellow Top Battery
- 0 Gauge Wire

got some new power and some new adjustments now running a 146.7 on TL

As said above change all wires to be same 0 gauge wire and get a Optima or some sort of a deep cycle battery that has more umph. you shoudl see a big difference for sure.

ill change them all to 0 guage on saturday or something and post back.

iDS748 - When you kick the engine RPM's up by stepping on the gas and holding there for half a minute, do the lights still dim?

his lights are still dimining even when he revs up his rpm