To much power for stock blazer alt?

[88crxsi 10+ year member]

Ok I have a 97 blazer 4x4. I just looked up and the stock alt is 105amp. Right now with the stock radio in it the interior lights dim with the lights on. It has every power option including power seats. Will 1500-2000rms be to much for the stock alt with the big 3? Do I need to look into getting a high output alt? I was planning on running caps as well. I just don't want to be stranded on the side of the road because my alt can't handle it.

Click to read more...

 

[j3bus2k3 5,000+ posts]

Ok I have a 97 blazer 4x4. I just looked up and the stock alt is 105amp. Right now with the stock radio in it the interior lights dim with the lights on. It has every power option including power seats. Will 1500-2000rms be to much for the stock alt with the big 3? Do I need to look into getting a high output alt? I was planning on running caps as well. I just don't want to be stranded on the side of the road because my alt can't handle it.

You shouldnt add ANYTHING until you get that fixed. Your electrical system is getting butt-****ed already, adding 2000W RMS will rip the scphincter...

 

[AJ²06 5,000+ posts]

//content.invisioncic.com/y282845/emoticons/word.gif.64b12e39f936af3b4fff38a1c0bd0244.gif

 

[n2audio 5,000+ posts]

no reason not to go ahead and make the alt upgrade. Sounds like the stock alt might be a bit on the weak side anyway.

Just looked on ebay and found a 160A for $125 shipped. And you can probably get 30 or 40 out of yours if you get it out before you smoke it.

 

[audiolife 5,000+ posts]

upgrade under the hood battery wise to like a kinetik 1800 or higher along with the alt would make it alot more solid

 

[helotaxi 5,000+ posts]

Could be that your current dimming problem is caused by a really weak battery. Get it checked out or simply replace it with a solid one.

 

[88crxsi 10+ year member]

Yea I have a el cheapo battery in it now. I figured the alt would need to be replaced so I will take care of that now then. Thanks guys.

 

[88crxsi 10+ year member]

no reason not to go ahead and make the alt upgrade. Sounds like the stock alt might be a bit on the weak side anyway.
Just looked on ebay and found a 160A for $125 shipped. And you can probably get 30 or 40 out of yours if you get it out before you smoke it.

thanks bro I just picked this up. Now I need to get a nice battery.