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Ron Z.
Ron Z., - Ford Tech -
Category: Ford
Satisfied Customers: 17968
Experience:  18+yrs experience. State Inspector & Ford Diagnostics/Repair
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F250 super duty: Low battery was displayed across my radio

Customer Question

Low battery was displayed across my radio and abs light came on
Submitted: 7 months ago.
Category: Ford
Expert:  Ron Z. replied 7 months ago.
If the terminals are clean and tight and the belt is in tact an d tight, then this sounds like there is going to be a problem in the charging system. There is a quick easy test for this, with the use of a voltage meter. With the engine running, take a voltage reading at the battery terminals. If the voltage is not between 13.2-14.4v, or fluctuates in and out of this area, the Alternator will need to be replaced. If the Alternator passes this test, turn the engine off and wait 15min. Take another reading at the battery terminals, this time with the engine off. If the voltage is anything less than 12v, the battery may have a "bad cell" and is not accepting the alternator's charge. If you do not have access to a voltage meter, most local "big chain" parts stores, like AutoZone, will run these tests for Free right in their parking lot. If my answer has helped you, please help me and rate using the stars at the top of the page or 'accept' my answer.Rating or accepting my answer does not cost you extra. It allows me to be credited for this Q&A. If you cannot rate or do not see where to rate, please let me know! You can ask follow-up questions after you rate or accept. Thank-you!
Expert:  Ron Z. replied 7 months ago.
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