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2003 Avalanche

Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=12275
Printed Date: February 05, 2026 at 7:33 PM


Topic: 2003 Avalanche

Posted By: mark241
Subject: 2003 Avalanche
Date Posted: April 16, 2003 at 12:48 PM

What would the output in amps from the Alternator in a 2003 Chevy Avalanche?



Replies:

Posted By: x6369x
Date Posted: April 16, 2003 at 10:36 PM
I've got a 02 GMC Sierra 1500HD 2WD, and according to kbb.com, it's a 105 amp alternator.

https://www.kbb.com/kb/ki.dll/kw.kc.ncs?kbb.CA;341012;CA067&95829;pic&1322;Chevrolet;2003%20Avalanche%201500&M6M14A4;M6M14&&Pick-ups&&nc
It shows the same for the 03 Avalanche, even the 4WD model.

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