Midtronics high-frequency testers (with the LCD screen & 5 buttons down the right side) are the industry standard for battery testers, and most dealerships (of most makes) are required to use them for warranty returns. I have this model with the built-in printer, but no alternator diagnostics.

https://www.midtronics.com/testers/mdx-p300/

Load testing is not recommended or accepted by Ford.



Before buying a craptasmic battery or other common part, check for coupons & service offers from Ford.

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This battery tester is not a multimeter, and even the best DMM can't do what the tester does. But if you need a decent meter, consider this one, or one with most of its features:



For more info, see http://www.batteryfaq.org/
Automotive Terms & Abbreviations

Owner caption October 2010 · Photo 3560 of 5000