the big 3

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locologan

Member - Posts: 15

Joined: April 06, 2009

Location: Arizona, United States

Posted: April 12, 2009 at 10:28 AM / IP Logged

hi i started doing the big 3 yesterday and i put a optima battery in my 2007 silverad and put a 0 gauge wire from battery to chassis. i put a digital battery terminal on my battery and it reads 14.7 and when it hits it gos down to 13 somthing and at the most it gos to high 12's. my lights are still dimming why is that.

boom boom

t&t tech

Platinum - Posts: 2,608

Joined: October 05, 2008

Location: Trinidad and Tobago

Posted: April 12, 2009 at 10:49 AM / IP Logged

The "Big Three" upgrade means improving the current capacity of three cables: 1) alternator positive to battery positive, 2) battery negative to chassis, and 3) engine ground to chassis.

Have you done this?

commit your way to jehovah and he will act in your behalf. psalms 37:5

i am an idiot

Platinum - Posts: 13,671

This member consistently provides reliable information

Joined: September 21, 2006

Location: Louisiana, United States

Posted: April 12, 2009 at 10:53 AM / IP Logged

Why are your lights still dimming? Or why is the battery voltage still dropping to 12 volts?

locologan

Member - Posts: 15

Joined: April 06, 2009

Location: Arizona, United States

Posted: April 12, 2009 at 10:59 AM / IP Logged

well i only had time to do the ground grom battery to chassis i still have the other 2 to do but i have good volts and my truck should have a good alt shouldnt it.

boom boom

locologan

Member - Posts: 15

Joined: April 06, 2009

Location: Arizona, United States

Posted: April 12, 2009 at 11:04 AM / IP Logged

if i do the other 2 upgrades should that help alot more and if i put hids on my truck will it hert the hids when it dims

boom boom

coolman85

Member - Posts: 2

Joined: July 07, 2009

Location: Iowa, United States

Posted: July 07, 2009 at 3:18 PM / IP Logged

i cant do the big 3.. they dont make high out put alternator for my car.. but i want to put 5000 rms system in my car.. what should i do??

glass22

Copper - Posts: 95

Joined: June 10, 2009

Location: Arizona, United States

Posted: July 07, 2009 at 3:34 PM / IP Logged

there are companys that will build you an alt.

http://www.ohiogen.com/index.html

KarTuneMan

Platinum - Posts: 7,056

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Joined: December 14, 2004

Location: Isle Of Man

Posted: July 07, 2009 at 4:12 PM / IP Logged

locologan wrote:

if i do the other 2 upgrades should that help alot more and if i put hids on my truck will it hert the hids when it dims

Yes.... so far you have completed "the big ONE" 1 down 2 to go.

Your HID's shou;d be more "stable" than standard bulbs.

whiterob

Copper - Posts: 351

Joined: July 22, 2007

Location: United States

Posted: July 07, 2009 at 8:20 PM / IP Logged

coolman85 wrote:

i cant do the big 3.. they dont make high out put alternator for my car.. but i want to put 5000 rms system in my car.. what should i do??

Contact Ohio Generator, as said above, as well as a couple of other alternator companies. Many will make you an alternator for your truck.

If you want to run that much power you have to upgrade your alternator. There is no way around that, you stock system will never be able to produce that much power.

Finish doing the big 3 and your voltage should improve a little bit. If you are still having that large of a voltage drop then you will need a new alternator.

i am an idiot

Platinum - Posts: 13,671

Joined: September 21, 2006

Location: Louisiana, United States

Posted: July 07, 2009 at 9:33 PM / IP Logged

KarTuneMan wrote:

Yes.... so far you have completed "the big ONE"

My thoughts exactly.

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