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 acertain 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