Because the voltage regulator is tired and is set too low...
Fine for 60's batteries, not fine for 90's batteries.

On 13-Oct-05, at 5:18 AM, Mike Canfield wrote:

Full charging voltage on an old GM alt is 14.6V.....Why won't that charge a
certain type of battery?

Mike
----- Original Message -----
From: "John M McIntosh" <[EMAIL PROTECTED]>
To: "Mercedes mailing list" <[EMAIL PROTECTED]>
Sent: Thursday, October 13, 2005 1:44 AM
Subject: Re: [MBZ] Consumers Reports battery ratings




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