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Bms disconnect?

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Old 11-12-2018, 03:54 PM
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Default Bms disconnect?
Has anyone here disconnected the bms sensor on the negative battery terminal? Sick of getting the message about low battery. If I disconnect the sensor if I'll still get the message or a check engine light? 2013 fx4 screw
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Old 11-12-2018, 04:28 PM
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Yes, a few years ago. No more warnings.
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Old 11-12-2018, 04:35 PM
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No check engine light either?
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Old 11-12-2018, 04:40 PM
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No cel.
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Old 11-12-2018, 06:25 PM
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ok cool, do I have to unplug the actual sensor or just the ring from the battery terminal?
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Old 11-12-2018, 07:16 PM
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Originally Posted by Sunfire704
ok cool, do I have to unplug the actual sensor or just the ring from the battery terminal?
Just unplug the ring, you can leave it on the cable.
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Old 11-12-2018, 09:31 PM
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Ive had mine disconnected for 5 years. No problems and never a dead battery.
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Old 11-12-2018, 09:55 PM
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Ok I went and disconnected it thanks.
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Old 11-14-2018, 09:25 PM
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I disconnected mine from battery cable and wrapped up with electrical tape, no CEL or issues for a year.
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Old 11-15-2018, 05:51 PM
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Pulled the neg cable out of the ring, left ring connected to harness, no problems, and the battery seemed hotter on cold mornings.

One of many built in problems thanks to Ford.
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