90gt

i own a 2000 durango and installed two ppi art series amps a300,a600.the 600 is running my 15" subs and the 300 is running my mids and highs.the durango has a 160amp altenator and a elimintor battery.whenever the bass hits hard my lights dim and the volts drop down to 11 volts.any help out there i'd really appreciate it. thanks.

CanadianBronco

Bigger alt


Its may be 160 amps for the first 10-20 min while its cold but after that it drops

OR you could need to perform the Wire ugrade

wires from Ground to batt, Wire from batt to alt to wherever (not familiar with a Rango)

King Dynasty

iTrader: (-1)

i realy dont think its your ALT its that crappy battery u have , get rid of that POS and u will be fine

ELIMINATOR = HAHA stock would be better i bet

90gt

thanks for the info guys

Mark_ab

So if he had a better battery then he would cease having a voltage drop to 11V and instead have a voltage drop to 12.5V. How does this stop his lights from dimming? The problem lies in the power source, not the battery, although if it's dropping down to 11 chances are you could use a new one anyway.

BooLeaN

If you have a good battery it can help prevent dimming headlights since it will provide all the current needed for the bass and headlights for a second or so and then when the bass isn't so intense, the battery will be able to recharge.

I had the crappiest battery ever in my tracker with a 1200 Watt RMS amp and a 55 amp alternator. The bass hit and I had voltage drops down to 9 volts and my lights almost shut off.

I got a new alternator but then it broke, so I put my stock one back in. Now I'm running 2000 RMS and I have an upgraded battery with a 55 amp alternator (since the big one broke). I get no dimmage for almost any bass note, and at idle I get a voltage drop to 13.7.

So I'd say a battery CAN help. Not saying it alwasy will though

Thanks
Craig G

Chadxton

iTrader: (1)

Your voltage would drop like a rock more likely because your grounds are crap over speculating whether or not your battery is bad.

Troubleshoot the basics first before you start spending unnecessary cash.

JephD

I'm having the same problem with my 92' Jeep Comanche. I'm only running a 400 watt amp and the lights are dimming pretty bad. Will a capacitor help? My grounds are good. I've heard that upgrading the the wires under the hood to the battery and alternator can help? Do you think it'll help my application for or am i going to have to buy a bigger alternator?

mik

iTrader: (1)

Definitely upgrade the wires under the hood.

Dont get a cap, put the money towards a better battery and you'll be happier with the result.

Father Yuli

iTrader: (17)

ok for all chrysler products u have to do up all the grounds. trust me, i had 2 grand cherokees, i know!!

90gt, it is not your alternator, your alternator is actually a nice one, better than my 130amp jeep one. what u might want to do is:

run a few grounds from your battery stratight to the frame of the car right under the hood. Reason for that is right now u are using that crappy 8 gauge stock ground on the battery.

then run a peice of 4 gauge wire from the alternator to the positive battery terminal, that helps alot.

ground the battery to the engine itself

and please please makesure your amps are grounded well. i think u could find some good spots for ground right under your back seats when u fold them up.

i run a 3000 rms amp with over 200amp draw and BARELY have any dimming at full till.

DO NOT get a cap, waste of money. might want to invest in a better battery, like a yellow top or a hawker 1700.

[ December 07, 2004, 12:02 AM: Message edited by: Father Yuli ]