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James, Ford Technician
Category: Ford
Satisfied Customers: 3632
Experience:  Ford Senior Master Tech, Ford gas and diesel expert, ASE Certified
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Have 04 f-150 lariat 5.4 changed alternator bought it from

Customer Question

Have 04 f-150 lariat 5.4 changed alternator bought it from ford dealer. . The battery light stays on and check charging system comes after 10 mins the charge guage shows its charging properly... checked voltage on and off shows charging within the specs... have replaced battery twice... also the interior light nor radio will go off when you close the door or lights will not come on when open the doors.. therfore you have to turn radio off and interior light switch off to keep battery from running down...
Submitted: 1 year ago.
Category: Ford
Expert:  James replied 1 year ago.
Hello, do you have a multi meter by chance?
Customer: replied 1 year ago.
Expert:  James replied 1 year ago.

When the vehicle is running do you get 12v on orange and light blue wire as well as the brown wire?