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Discussion Starter · #1 ·
I have a 05 G6 with the stock 125 amp alternator. I've already replaced my yellow top battery once and I'm going back to AutoZone today to get it replaced again. I have a lot of electronics in my car and big bass too. I wanted to know a general out line of what I would go threw to upgrade the alternator to something with more output?
 

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You might try the Big 3 upgrade first. More often than not you won't need to upgrade your alternator.

Big 3 = Replacing the Alternator to Battery, Battery to Chassis Ground, and Engine to Chassis Ground wires.

After that, there are several companies that make upgraded alternators. Try these guys: http://www.ohiogen.com/index.html
 

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Discussion Starter · #3 ·
What gauge cables should I use? And what other precautions should I take when doing something like this?
 

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What gauge cables should I use? And what other precautions should I take when doing something like this?
Definitely do research on car audio forums. Make sure you don't put undue stress on the cables wherever you run them by making them too tight but not so loose that you'll have trouble keeping them away from fans, exhaust pipes, the hood latch, etc. Keep in mind that the engine and its components move/vibrate separately of your chassis.

Your setup will depend upon what gauge cable you should run. Extreme route would send you to ought gauge cable. Competition to double ought gauge. You're talking some serious cash in copper!
 

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I know a guy who sells kits that upgrade some of your wiring.

Also......in your sig....you sure its a K&M intake?
 

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Discussion Starter · #7 ·
Alright sounds good to go. Thanks for you guys input. I'll try the Big 3 first the upgrading the alternator. But would i run into any other issues with the belts or anything else like that with the upgrade???


And i'll fix the type-o in my sig K&N intake not K&M.
 

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Alright sounds good to go. Thanks for you guys input. I'll try the Big 3 first the upgrading the alternator. But would i run into any other issues with the belts or anything else like that with the upgrade???


And i'll fix the type-o in my sig K&N intake not K&M.
No. If you get the correct alternator it will simply be a stock-fitting alternator with upgraded guts. Same size pulley and everything.
 
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