alternator issues/battery dieing
ive got a 1984 ford f150 with an inline six i put a new alternator in it today along with a voltage regulator. the alternator wouldnt charge the battery so put a jumper cable between it and the positive post on the battery and it charges it but if i leave the battery connected over night it kills the battery
any help would be apreciated thnks |
Welcome to FTE. :)
Don't hijack other threads, it's considered rude. |
Originally Posted by 1984fordf150
(Post 11761624)
ive got a 1984 ford f150 with an inline six i put a new alternator in it today along with a voltage regulator. the alternator wouldnt charge the battery so put a jumper cable between it and the positive post on the battery and it charges it but if i leave the battery connected over night it kills the battery
any help would be apreciated thnks I would think the reason you battery dies is because it has an electrical drain? There is a way to check for battery drains, i just cant think of it right now. |
Do the research like John suggested. But it sounds like one of three problems:
You should not really be able to measure/see the current on the 10 amp scale if there is nothing draining the battery. If you don't see any, or much, current then you can turn the DVM to progressively lower current scales to see how much drain you have. You'll always have some current draw, but it should be very low, like less than 10 milliamps. BUT, MAKE SURE YOU DON'T OPEN THE DOOR OR TURN SOMETHING ON THAT PULLS CURRENT WHILE YOU HAVE THE METER HOOKED UP! Oh yes, if you have an under-hood light it needs to be disconnected. If you have much of a draw then you need to figure out what it is. Since we sorta suspect the alternator you could disconnect it. If that isn't it then start pulling fuses until you find one that kills the draw. Again, don't have the meter hooked up when you open the door or the draw of the dome/courtesy lights could blow the fuse in the meter. |
thnks for the help i will look into it after school school today. i am a mechanics aprentice so i know a little bit about this stuff but i have alot to learn. today i installed 3 speakers behind the seat of the truck i wired them into the original radio and they work pretty good. could that be draining my battery?
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Originally Posted by 1984fordf150
(Post 11763140)
thnks for the help i will look into it after school school today. i am a mechanics aprentice so i know a little bit about this stuff but i have alot to learn. today i installed 3 speakers behind the seat of the truck i wired them into the original radio and they work pretty good. could that be draining my battery?
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today i cleaned out the cab. i found were it is shorting it keeps blowing the fuses as soon as i put them in for the cigarette/horn.
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Originally Posted by 1984fordf150
(Post 11764955)
today i cleaned out the cab. i found were it is shorting it keeps blowing the fuses as soon as i put them in for the cigarette/horn.
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ok i will i got the truck for a hundred bucks off my boss at the shop so im just using it fr the summer as i work on a farm aswell.
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When you say you installed 3 speakers behind the seat, did you install an amp for them also?
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