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Mike V.
Mike V., Auto Service Technician
Category: Ford
Satisfied Customers: 25184
Experience:  25 years experience on all makes and models, Licensed NYS Inspector.
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2000 ford focus battery light comes on 15sec after ...

Customer Question

2000 ford focus battery light comes on 15sec after starting replaced alt. & bat. also new regulator in the new alt still nothing
Submitted: 10 years ago.
Category: Ford
Expert:  Mike V. replied 10 years ago.

Hi there! You should take it to a parts store and have them retest the alternator.It has to be putting out at least 14.5 volts to be good.You either got a bad alternator or you have bad wiring.

If you have used an aftermarket alternator there is a good chance it is not charging to ford specs.It may be charging at 13.2 volts and that just isn't enough.

Hope this helps!!