98 mustang GT all lights pulse

6,765

Asked by Sparky222 Mar 06, 2018 at 11:07 AM about the 1998 Ford Mustang GT Convertible RWD

Question type: Maintenance & Repair

I have a 98 GT convertible. Interior and dash, headlights pulse, this occurs at
random, sometimes with check engine light popping on. Battery is new,
connections are solid, clean, no corrosion. 80K on the 4.6L v8. Also, there is
a pulsing squeak from the alternator that increases with engine speed. The
car has monsoon 200+ watt factory stereo which is rarely on, I imagine I
need a new alternator, as the regulator is integral?

1 Answer
5,555

Auto_Adrenaline answered 6 years ago

My '03 Cobra had this issue and it was the alternator. The voltage regulator is integrated into the alternator, so replacing one takes care of both.

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