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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.
.
.
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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/ 
![mdxp300.jpg 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 [url=http://www.motorcraft.com/servlet/BlobServer/terms-and-condition.pdf]warranty[/url] 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.
[url=https://www.supermotors.net/vehicles/registry/media/940436][img]https://www.supermotors.net/getfile/940436/thumbnail/31top.jpg[/img][/url]
Before buying a craptasmic battery or other common part, check for [url=http://owner.ford.com/servlet/ContentServer?pagename=Owner/Page/ServiceCouponsPage]coupons & service offers from Ford[/url].
[url=https://www.supermotors.net/registry/media/1082053][img]https://www.supermotors.net/getfile/1082053/thumbnail/batttermx.jpg[/img][/url] . [url=https://www.supermotors.net/registry/media/975094][img]https://www.supermotors.net/getfile/975094/thumbnail/34batt.jpg[/img][/url] . [url=https://www.supermotors.net/registry/2742/69178-4][img]https://www.supermotors.net/getfile/723279/thumbnail/07done.jpg[/img][/url] . [url=https://www.supermotors.net/registry/media/825375][img]https://www.supermotors.net/getfile/825375/thumbnail/alternatormountboss.jpg[/img][/url] . [url=https//www.supermotors.net/registry/media/944780][img]https://www.supermotors.net/getfile/944780/thumbnail/altl8.jpg[/img][/url] . [url=https://www.supermotors.net/registry/media/955475][img]https://www.supermotors.net/getfile/955475/thumbnail/26winchrelays.jpg[/img][/url]
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:
[url=https://www.supermotors.net/registry/media/1077817][img]https://www.supermotors.net/getfile/1077817/thumbnail/rs22172dmm.jpg[/img][/url]
For more info, see http://www.batteryfaq.org/](https://www.supermotors.net/getfile/830812/fullsize/mdxp300.jpg)