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roy, import/domestic specialest
Category: Ford
Satisfied Customers: 5441
Experience:  ASE master tech for 40 years
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My alternator is not charging on my 2002 ford super duty 7.3

Customer Question

my alternator is not charging on my 2002 ford super duty 7.3 diesel
JA: How old is the engine? And when was it last serviced?
Customer: It was serviced in July of this year
JA: What is the model of your '02 Ford?
Customer: F350 super duty with the single alternator 7.3 diesel
JA: Are you fixing your vehicle yourself? What have you tried so far?
Customer: checked the exciter circuit the orange wire is hot all the time and the green wire becomes hot when the ignition is turned on
JA: Anything else you want the mechanic to know before I connect you?
Customer: cant think of anythink else
Submitted: 6 months ago.
Category: Ford
Expert:  roy replied 6 months ago.

hello, my name is ***** ***** I will be glad to assist you. please allow me a couple of minutes to gather some basic info.


Expert:  roy replied 6 months ago.

ok, I attached a wire diagram for you to view. make sure the one fuse and all 3 fusible links are good. if they are, you have a failed alternator.