My battery gauge do down when I stop and up when I speed up

20

Asked by Jul 31, 2013 at 05:37 PM about the 2006 Ford Mustang GT Deluxe Convertible

Question type: Maintenance & Repair

I replace the alt,battery, check the wires for
lose connection and it still do it. Does
anyone ever had this problem.  Please help

3 Answers

7,195

You have either #1 - a bad electrical connection, #2 - a bad ground, or #3 - a bad alternator again. Yes I have purchased "newly rebuilt", but bad alternators thru numerous auto parts retailers over the past 25 years.

Best Answer Mark helpful
20

How would a ground go bad... where you think it could be a bad electrical connection?

7,195

Grounds can be bad due to no "metal to metal" clean connection or the connector itself, though looking good on the outside is green with oxidization and rotted on the inside, not letting it complete the circuit all the time.

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