Battery light stays on
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From: provost
Battery light stays on
Hi All looking for some help. Got 04 f150 fx4 . The battery light indicater is on , I have change the Battery also put in new alternater. i have check the fuseable links they look fine. i have done a volt test on alternater as follows 12.8 volts truck not running -- truck running at idle 14.3 volts-- turned headlights, stereo, air con at full, tested at 14.3 volts-- left it running for 10 min all acesseries left on test 14.2 volts. checked the easy grounds , cant find any broken wires. im lost, cant /wont let truck beat me if i have to pull xx--xx engine will track down. any out there with any ideas. oh its got a 5.4 lt in it . thanks
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Joined: Jun 2008
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From: provost
put a code reader on the truck pulled up 3 codes p1000, but i have had the battery in and out quite a few times. p1464 but alas i had the air conditioner running which after a little reading is not the thing to do during this test. but the problem one i think is po 622 code .which is generater field terminal circuit. from reading about this it points to again alternater or batterey, but when test them i get 14 volts to battery with truck running and the battery is holding at 12.8 v when truck is not running. i have access to an 2008 f150 , i am going to pull the alternater out of it, stick it in mine and see what happens. will also change battery if the alternater change dont do the trick.
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Joined: Jan 2008
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From: mississauga ont.
Are these new codes or are they there from when you first changed batt & alt and the batt light stayed on??
If the original codes where not cleared I would clear all now then see if all is OK or they come back then you will know what to fix.
If the original codes where not cleared I would clear all now then see if all is OK or they come back then you will know what to fix.
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bublitz3
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May 11, 2010 07:45 AM
