Charging issues
2001 f150 Scab 5.4l 4wd
Truck has been parked for about 2 years. Recently got it running and getting it back on the road. I jumped the truck off with my 08 f150 and the truck would die as soon as I took the cables off. I replaced the battery and all was fine for a few days (truck has not been driven down the road just around our property). I noticed the battery light was on after replacing battery. The new battery is dead and I can jump the truck off and it'll start and run for a few minutes. The voltmeter gauge on the dash is buried at "L". I've checked the #11 20a fuse under the hood and it is fine. I wanted to get opinions before I remove the alternator and take it to have it tested. If the alternator is bad I would like to upgrade to something higher than 130a (suggestions?). Do you guys think it's the alternator or maybe something else. Thanks in advance for your help |
Alternator is bad, you drove a few days and ran the battery down. Its not charging. Take off and take in. No other suggestions for upsizing.
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Thank you, I was under the impression it was the alternator but wanted another opinion
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Check the wiring that go to the alternator first before you take it off. Especially if it's been sitting for a while, mice like to chew the wires or it could have lost a good connection or whatever.
As for upgrades, you can go all the way up to 250 amps, but you'll most likely never use that much, a stock is probably fine. I personally run powermaxUSA 250 amp alternators in 2 of my trucks and after 3 years, still never had an issue. I just got mine off ebay for a couple hundred bucks. |
Thanks for all the help, ordered a new alternator and installed it today! After a jump it's running and charging like a champ
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Originally Posted by TLB4
(Post 4273069)
Check the wiring that go to the alternator first before you take it off. Especially if it's been sitting for a while, mice like to chew the wires or it could have lost a good connection or whatever.
As for upgrades, you can go all the way up to 250 amps, but you'll most likely never use that much, a stock is probably fine. I personally run powermaxUSA 250 amp alternators in 2 of my trucks and after 3 years, still never had an issue. I just got mine off ebay for a couple hundred bucks. |
I recommend buying a new battery every 3 days :D
Just trying to be different. |
Originally Posted by twoskinsoneman
(Post 4282813)
I recommend buying a new battery every 3 days :D
Just trying to be different. |
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