2002 ford focus charging problem

Aaron Clausen

Asked by Oct 14, 2015 at 02:09 AM about the 2002 Ford Focus

Question type: Maintenance & Repair

I have a 2002 ford focus with 84k on it. Battery is 6 months old, and testing
good. I have installed 2 alternators in the last week and replaced the battery
cables. Still not getting good voltage, it goes from 12.3 to 13 when the car
turns on. Battery light stays on, gauges go crazy turning off and on

2 Answers


You may have a PCM problem, have you checked the all of the grounds? It only takes one control module ground to go bad and cause all kinds of trouble. might check the codes too, there could be an internal fault.

Aaron Clausen

Thanks shoes! Im not getting a check engine light though... I'll swing by the parts store and see if they can get a code off it.

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