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Fixitman
Fixitman, Technician /Advisor
Category: Honda
Satisfied Customers: 17284
Experience:  ASE Master Certified, AA Auto/Diesel Technology,
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06 honda accord. Bat light comes on after driving few miles.

Customer Question

06 honda accord. Bat light comes on after driving for a few miles. Alt already replaced. Need to diagnose
Submitted: 1 year ago.
Category: Honda
Expert:  Fixitman replied 1 year ago.

Hello, my name is***** for the question. Can you tell me if the light goes right off if you restart it? Do you have a voltage meter to run some tests?

Customer: replied 1 year ago.
When bat light off Alt passes test. When bat light on Alt will fail test. Yes I have a snapon micro vat.
Expert:  Fixitman replied 1 year ago.

Here is what we need to do. We need to see what the voltage is at the battery, with the engine running, and the light on. You then need to see what the voltage reading is at the large terminal at the alternator. Many times this is an issue with the positive cable or the main wire to the alternator.