1999 F-150 4x4 4.6L Truck won't start

Asked by tested Feb 26, 2020 at 03:53 PM about the 1999 Ford F-150 XL 4WD LB

Question type: Maintenance & Repair

i Have an old F-150 4x4 4.6L that runs rough at times and will not start at
times. I had Advance Auto check it and their tester showed the truck running
when it was off. Then, it showed the battery and alternator as good.
My window's will go up and down without the key in the ignition...every once
in awhile.
I have to trickle charge the battery quite often.
The wreck came out the other day when it would not start and it took 15
minutes of charging, then putting the truck in neutral and step on the brake for
it to start!
What is going on?

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