Why does it need 2 batteries? Are these regular truck batteries?
10

Asked by rosek Jul 17, 2012 at 03:30 PM about the Ford F-350 Super Duty

Question type: Maintenance & Repair

3 Answers
905

Josh answered 11 years ago

one battery has a hard time charging grid heaters when it's cold out among other things. while one would work, it has to work harder, so they wire two in parallel. the two then share the load.

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35

Jefferson answered 11 years ago

The bigger the truck is and the more components is has that need to be charged, the more battery power it will need. I am a truck driver, and my semi has four batteries.

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