F350 diesel
10

Asked by GuruDS1T6 Aug 28, 2017 at 09:48 PM about the 2008 Ford F-350 Super Duty XL Crew Cab 4WD

Question type: Maintenance & Repair

Just replaced both batteries and now it won't start. It has
the vehicle with a lock on the dash

8 Answers
295

Tj answered 6 years ago

Sounds like the security system. Lock and then unlock the doors with either remote or actual key then try again

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295

Tj answered 6 years ago

Is the light flashing? Does it change when the key is turned to on? (Not start)

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10

GuruDS1T6 answered 6 years ago

If you leave it in on position it goes away but truck still won't start. Just cycles the the dash readings

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295

Tj answered 6 years ago

Ok, here is a video with more things to check. Still looking like a security system issue, just didn't reset a easy as mine did https://www.bing.com/videos/search? q=f350+dash+light+looks+like+car+with+lock+flashes+with+key+on+will+not+start&vi ew=detail&mid=CF56060118075F98B753CF56060118075F98B753&FORM=VIRE

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GuruCHVFB answered 5 years ago

just replaced both batteries and altnatior. the batteries wont stay charged and dinging even when the truck isn't on

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