2010 f150 charge problem
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2010 f150 charge problem
Working on my daughters 2010 f150. It had quit charging. Voltmeter showed only battery voltage running or not. Purchased new Autozone remanufactured Duralast alternator. Installed, charging rapidly changed from somewhere in the mid 13 volts to 14. 1 or so. With these rapid changes you can also see the dome lights or head lights change brightness as it is happening. The charge light did not come on immediately but did after a minute or so. I put my volt meter on my Nissan Rogue and it holds a constant 14.1 volts at the battery. I called Autozone, talked to a gentleman and his thought was maybe the regulator in the alternator was bad. I took it back to the store, they put it on test stand and everything showed good. He pulled a new one off the shelf, put it on the stand and it showed the same results. The manager made the exchange, I went home, installed with same results. The manager at the store thought if it did the same thing that there is probably a ground problem. I have cleaned cables real well and even put another battery off my tractor on just to confirm the battery wasn't shorting out. Same results. Charge light may go off a few seconds from time to time. I do believe the battery will stay up because of the charge I am reading on my meter but something is not right. I know this has gotten long but wanted to try and give as much info as possible. this old man will surely appreciate and be thankful for any help.
No responses but problem has been solved. After talking with Ford house was told the F150's have a problem accepting some alternators. Purchased one made for Ford at over $100 more, installed and it put out a steady 14.6 volts and charge light stayed out. I do applaud Autozone for taking back their alternator after explaining the story to them. They still had the core and let me have it back. You can't beat that for service.
No responses but problem has been solved. After talking with Ford house was told the F150's have a problem accepting some alternators. Purchased one made for Ford at over $100 more, installed and it put out a steady 14.6 volts and charge light stayed out. I do applaud Autozone for taking back their alternator after explaining the story to them. They still had the core and let me have it back. You can't beat that for service.
New User
Joined: Mar 2020
Posts: 2
Likes: 0
Working on my daughters 2010 f150. It had quit charging. Voltmeter showed only battery voltage running or not. Purchased new Autozone remanufactured Duralast alternator. Installed, charging rapidly changed from somewhere in the mid 13 volts to 14. 1 or so. With these rapid changes you can also see the dome lights or head lights change brightness as it is happening. The charge light did not come on immediately but did after a minute or so. I put my volt meter on my Nissan Rogue and it holds a constant 14.1 volts at the battery. I called Autozone, talked to a gentleman and his thought was maybe the regulator in the alternator was bad. I took it back to the store, they put it on test stand and everything showed good. He pulled a new one off the shelf, put it on the stand and it showed the same results. The manager made the exchange, I went home, installed with same results. The manager at the store thought if it did the same thing that there is probably a ground problem. I have cleaned cables real well and even put another battery off my tractor on just to confirm the battery wasn't shorting out. Same results. Charge light may go off a few seconds from time to time. I do believe the battery will stay up because of the charge I am reading on my meter but something is not right. I know this has gotten long but wanted to try and give as much info as possible. this old man will surely appreciate and be thankful for any help.
No responses but problem has been solved. After talking with Ford house was told the F150's have a problem accepting some alternators. Purchased one made for Ford at over $100 more, installed and it put out a steady 14.6 volts and charge light stayed out. I do applaud Autozone for taking back their alternator after explaining the story to them. They still had the core and let me have it back. You can't beat that for service.
No responses but problem has been solved. After talking with Ford house was told the F150's have a problem accepting some alternators. Purchased one made for Ford at over $100 more, installed and it put out a steady 14.6 volts and charge light stayed out. I do applaud Autozone for taking back their alternator after explaining the story to them. They still had the core and let me have it back. You can't beat that for service.
More Turbo
Joined: Jun 2014
Posts: 719
Likes: 92
From: Asheboro, NC
It's been posted several times that some (if not "most" or "all") aftermarket alternators are not compatible with F150 electronics. They simply won't work. If you need to replace your alternator you must replace it with OEM.
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