Head light problems???
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Senior User
Joined: Aug 2004
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From: Minnesota
Head light problems???
I have a 2001 f150 supercrew 4x4 with 5.4L and everytime I drive at night all my lights pulsate they go dim to bright very fast the headlights is more noticable? I just put a new Napa alternator in about 4 weeks ago because the other one died the battery seems OK maybe I should replace it? Please help Thanks!
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Originally Posted by jdhudall
I have a 2001 f150 supercrew 4x4 with 5.4L and everytime I drive at night all my lights pulsate they go dim to bright very fast the headlights is more noticable? I just put a new Napa alternator in about 4 weeks ago because the other one died the battery seems OK maybe I should replace it? Please help Thanks!
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Senior User
Joined: Aug 2004
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From: Minnesota
The battery is the original I just can't belive it made it this long it is 6 years old going on 7! The longest lasting battery I have ever had only made 5 years! What is the longest battery life you have seen and what brand was it?
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my 97 f150 just got a new battery in august of this year. old one was original. 10 yrs and it still started the truck. granted i was beginning to have electrical issues with it. as soon as i put in a new battery, all was well. well...until this latest bit of problems with either a blown plug or bad exhaust, not sure yet.
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From: SW VA
Originally Posted by pfd843
my 97 f150 just got a new battery in august of this year. old one was original. 10 yrs and it still started the truck. granted i was beginning to have electrical issues with it. as soon as i put in a new battery, all was well. well...until this latest bit of problems with either a blown plug or bad exhaust, not sure yet.
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Joined: Apr 2007
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From: northeast Pa
My lights were doing similar things and the problem was in the connectors. They actually melted the plastic housing causing loose connections which caused them to change from dim to bright to off. Good luck