charging or not?
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Junior User
Joined: Jan 2009
Posts: 63
Likes: 0
From: Mosheim,TN
charging or not?
my 2003 f-250 6.0 psd is charging around 13.8 to 13.95 volts and will show about 13.2 volts when i turn all of the lights and blower fan on high. is this about right or not? i have been noticing sluggish starting the last couple of days and im wondering if its my alternator or do i need batteries? i replaced the alternator last year and to my knowledge the batteries are still the original ones. thanks
Elder User
Joined: Nov 2008
Posts: 938
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From: in the fast lane
My truck shows about 14.5 to 14.8 running with lights on. I replaced my batteries last winter, my truck would crank fine but had one battery that was weak I,m not sure if that is what caused my ficm to go out but i have read on here where low voltage could be the source. If you put in new batteries be sure to replace both even if one shows to be good. Also i checked around and found a wholesale battery place that would sell to the public I got two for $120 and they are alot heavier battery than what was in it. If you go by a parts place such as autozone,advance, etc. they will check it out to see if you are charging and check the batteries. If you have the original batteries more than likely you probaly need new ones.
FTE Leadership Emeritus
Joined: Aug 2007
Posts: 42,085
Likes: 6
From: Lakewood, Ca.
I'd get those batteries load tested at your local auto parts store, and be prepared to buy a couple. Six years is a pretty good run for a pair of batteries on one of these trucks.
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Junior User
Joined: Jan 2009
Posts: 63
Likes: 0
From: Mosheim,TN
thanks for the info guys. i love this truck but its starting to be a headache seems like, does it ever stop.LOL, just put 1200 bucks in it with a flash program and 2 new injectors at the dealership. i run it alot and sometimes hard so i guess it could be worse from all of the stories i have heard on here.
Junior User
Joined: Nov 2008
Posts: 84
Likes: 0
thanks for the info guys. i love this truck but its starting to be a headache seems like, does it ever stop.LOL, just put 1200 bucks in it with a flash program and 2 new injectors at the dealership. i run it alot and sometimes hard so i guess it could be worse from all of the stories i have heard on here.
Also checked the obvious things like dirty conections or damaged wires.
Good Luck
