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6.7L Power Stroke Diesel 2011-current Ford Powerstroke 6.7 L turbo diesel engine

Battery light on

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Old Oct 11, 2021 | 04:11 PM
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klarkmiller40's Avatar
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Battery light on

Hey guys new here. I have a 2014 Ford F-250 6.7. Have a battery light on and high idle. Voltage is about 14.1 at idle and just changed a bad alternator and a bad battery. Any ideas?
 
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Old Oct 11, 2021 | 06:27 PM
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Did you replace both batteries? Diesel batteries should be replaced in pairs.
 
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Old Oct 12, 2021 | 06:40 AM
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Do you have any codes?

Have a look at this video.

 
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Old Oct 12, 2021 | 08:35 AM
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there is an AROD video about this....had the same problem.....there is a wire that needs to be bypassed. ford says is from corrosion damage , but mine had no evidence of corrosion. for some reason, the wire melted leaving the insulation intact,

 
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