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Ask Ron Your Own Question
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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The alternator on my 2002 ford fails 20 second after a new

Customer Question

the alternator on my 2002 ford fails 20 second after a new one is installed-battery is good-3.0 2valve engine
JA: Have you tested the battery with a voltmeter? And can you see if it's leaking or not?
Customer: ii said the battery was good
JA: What is the model of your '02 Ford?
Customer: se
JA: Are you fixing your vehicle yourself? What have you tried so far?
Customer: yes. i have instaled 2 alternator (both tested good) after running for 20 seconds the alt lite comes on and the alternator tests bad
JA: Anything else you want the mechanic to know before I connect you?
Customer: no
Submitted: 9 months ago.
Category: Ford
Expert:  david craig replied 9 months ago.

Hi Im David, thanks for visiting the site. you need to check the wiring at the connector to the alternator. ill get you a print as soon as you tell me what model the 02 ford 3.0 is.......

Expert:  david craig replied 9 months ago.

do you still need assistance?

Expert:  Chris (aka- Moose) replied 8 months ago.

Welcome, I'm Chris (aka Moose), my normal schedule online is around lunch and after dinner till early morning.

I assume this is a Taurus?

We need to do some wire testing on the wires to the alternator, do you own a volt meter?

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