2013 Explorer Clearing Battery Light After Repair ?
A relatively common "side-issue" of replacing a bombardment and/or alternator in a car is to have the voltage (bombardment) warning light come on. This is peculiarly true in late-model vehicles with their more sophisticated internal diagnostic systems.
There are normally 2 things that cause the battery light to come on afterwards a bombardment replacement. The well-nigh mutual is a loose connection – perchance a terminal connector was not tightened sufficiently when the battery was replaced. The other is corrosion interfering with current flow, the result of changing out the battery without cleaning the last connectors and other connections along the starting and charging circuits.
Similarly, at that place are two things that generally cause a battery warning after an alternator replacement. The most common is, again, a loose connection either with the command plug (aka "relay" plug-in), charging line connectedness, or the ground. The other is a blown fuse or defective connector or relay, which could have been broken or shorted when the alternator was installed or on the showtime outset-up afterwards its installation.
Finally, a problem could be defective replacement parts. Sometimes, batteries are only not every bit good as they are manufactured to be due to hidden defects or a longer-than-usual shelf wait before beingness purchased. Similarly, alternators can be defective out of the box, particularly if they're refurbished or rebuilt. For these reasons, information technology's important that when you purchase a new or used battery or alternator at the parts store, you lot have them test them before y'all buy and install them. Most stores will put up no fuss when you make this asking and if they do, you should become to another store. You, the customer, are subsequently assurance that what y'all're buying is what it should exist and if they will non give you that, there's no reason to trust them.
As with most electrical issues, if y'all know the battery or alternator is OK (because you lot had it tested), so diagnosis comes down to tracing and testing for continuity from one portion of the excursion(south) involved to the next. Assuming all fuses are fine, you can test relays by swapping them with others of the same office number (many vehicles will have two or three of the same relay running various components) or by testing the relay itself via continuity and resistance methods.
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An automotive enthusiast for virtually of his developed life, Aaron has worked in and around the industry in many ways. He is an accredited member of the Rocky Mountain Automotive Press (RMAP), the Midwest Automotive Media Clan (MAMA), the Texas Auto Writers Association (TAWA), and freelances as a writer and journalist around the Web and in print. You tin can find his portfolio at AaronOnAutos.com.
Source: http://www.carnewscafe.com/2015/04/persistent-battery-light-after-battery-or-alternator-replacement/
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