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Ron
Ron, ASE Certified Technician
Category: Ford
Satisfied Customers: 23821
Experience:  23 years with Ford specializing in drivability and electrical and AC. Ford certs and ASE Certs
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My alternator doesn't charge when running. I replaced the

Customer Question

my alternator doesn't charge when running. I replaced the alt. twice but same problem.
JA: What is the model/year of your Ford?
Customer: 1996 F250, 7.3 diesel
JA: How old is the engine? And when was it last serviced?
Customer: oil in may and the engine is the one it came with
JA: Are you fixing your F250 yourself? What have you tried so far?
Customer: replaced the batts, alternator twice checked fuses
JA: Anything else you want the mechanic to know before I connect you?
Customer: engine runs very rough but smooths out after a few minutes
Submitted: 2 months ago.
Category: Ford
Expert:  AMEDEE replied 2 months ago.

Hello and welcome!

My name isCustomerand I can assist you with your question.

Expert:  AMEDEE replied 2 months ago.

I am very sorry your having this issue with your vehicle.

I will try my best to answer all of your questions.

However, before we get started, please let me mention a few things.

1. If at any point you would like to speak on the phone, please feel free to request a phone call on your end and I can call you right away.

2. If you dont understand any technical terms or anything that I mention (component tests or theory or operation), please let me know and I will provide you with a more in debt explanation or answer.

3. Please understand that I am here to help you any way I can.

Expert:  AMEDEE replied 2 months ago.

Have you checked the inputs to the back of the alternator?

If so, what are/were the readings?

Expert:  AMEDEE replied 2 months ago.

Hello??

Customer: replied 2 months ago.
battery voltage on big terminal
Expert:  AMEDEE replied 2 months ago.

And what about the others?

Customer: replied 2 months ago.
I haven't checked them yet
Expert:  AMEDEE replied 2 months ago.

Please do and let me know.

Customer: replied 2 months ago.
I will let you know but it will be a while
Expert:  AMEDEE replied 2 months ago.

No problem.

Expert:  AMEDEE replied 2 months ago.

Be sure the key is in the ON position when you check this.

Customer: replied 2 months ago.
I will
Expert:  AMEDEE replied 2 months ago.

thank you

Expert:  AMEDEE replied 2 months ago.

Hello!

Did you get a chance to check the wires going to the alternator?

What's the verdict??

Expert:  AMEDEE replied 2 months ago.

Hello there!

I am just checking in to see how things are going and to see if you need any further assistance?

If so, please let me know as I will be happy to help.

Best Regards,

Customer/p>