#2010 focus dashlights picture generatorWhen the engine is started, the generator begins to generate AC voltage which is internally converted to DC voltage. The generator is driven by the accessory drive belt. a battery current sensor (this is what's in the picture).a radial arm adapter (serviced separately from the generator).a generator with an internal voltage regulator.The charging system is a negative ground system consisting of: State of charge, the BMS may disable electrical features (to protect the The BMS requires eight hours of vehicle sleep time (key off with doorsĬlosed) to relearn the new battery state of charge. Or in some cases after charging the battery with the external charger, The electrical requirements of the vehicle. Replaced with a Ford recommended replacement battery which matches When a battery replacement is required, the battery should only be Note: Electrical or electronic accessories added to the vehicle by theĭealer or the owner may adversely affect battery performance andĭurability, and may also affect the performance of other electrical A connection at the negativeīattery post can cause inaccurate measurements of the batteryĬondition and potential incorrect system operation. To ensure proper operation of the BMS, any electrical devices that areĪdded to the vehicle should not have their ground connection madeĭirectly at the negative battery post. Taking place, and not intended to indicate an electrical problem or that These messages are only for notification that an action is #2010 focus dashlights picture driverInformation displays to alert the driver that battery protection actionsĪre active. Rear defrost, heated/cooled seats, climate control fan, heated steering Those electrical accessories affected include the If excessive battery drain isĭetected, the system may temporarily disable certain electrical features The battery management system (BMS) monitors battery conditionsĪnd takes actions to extend battery life. Not sure all dealers know about it, so make sure to ask them. If you have it and replace the battery at the dealer, they should be able to reset it with their computer so you don't have to wait 8 hours. Again, not all the trucks have it, look and see. The BMS has to learn the new battery for 8 continuous hours. The ones after battery replacement that have systems powering down, this could be why. Reading some of the posts with replacing batteries and then having dead batteries out of the blue, makes me think the BMS may be trying to energize the alternator (I know, truck is off) and charge the battery. They probably won't happen right away due to you having a new battery. So, after you connect the battery, shut the doors and hood, you let it sit, uninterrupted for 8 hours, do not drive it, use the remote or anything else that changes the battery voltage or you could have issues. It takes 8uninterrupted hours for it to do so. Whenever you replace the battery or recharge it externally, the BMS has to learn the new state of charge of the battery. This is only one reason that you may get that message, so if you have not replaced the batteryand get this message, there is probably something else wrong. It monitors the state of charge of the battery and can power systems (displays, htd seats, etc) down to conserve power, and usually gives a message on one of the displays when it does. Ok, you still change the battery the same way, but if your 2011 or newer F150 has this or something similar on the negative battery cable then you have what Ford calls a Battery Monitoring System (BMS).Starting in 2011, Ford started putting this on the trucks. #2010 focus dashlights picture how to"I've been changing batteries for 40 years, I know what I'm doing! I don't need somebody to tell me how to change a battery."
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