ugstang17
Well-Known Member
Oh okay. Likely rules that out then. PM sent btw. Thanks for getting back.
PS - Check your alternator output at the battery for AC ripple. With the battery having a shorted cell pulling that hard on the alternator it could have compromised the regulator circuit. Just for safety sake take an AC ripple measurement on the system at the battery. Commonly less than .500vac (500mvac) read with the engine making 3000 RPM is acceptable. I could find no spec in the 2005 or 2011 Ford Mustang GT manuals on the charging section with respect to that check so I can only go on the standard I found on line when doing a general search on testing alternators in general.
PS - Check your alternator output at the battery for AC ripple. With the battery having a shorted cell pulling that hard on the alternator it could have compromised the regulator circuit. Just for safety sake take an AC ripple measurement on the system at the battery. Commonly less than .500vac (500mvac) read with the engine making 3000 RPM is acceptable. I could find no spec in the 2005 or 2011 Ford Mustang GT manuals on the charging section with respect to that check so I can only go on the standard I found on line when doing a general search on testing alternators in general.
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