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spitty
12-18-2008, 08:41 PM
so my truck has started acting funny, it runs fine and all, little low on power (electrical power), but itll keep running, only problem is the battery wont charge, (tried a few different batteries)


could the alternator be pooched? it puts out enough power to run the truck but wont charge the battery

trencher
12-18-2008, 08:44 PM
Sounds like you answered your own question to me. Likely is pooched.
Or the belt could be slipping(and no there isn't always a noise involved) That will affect your output too. More likely shot though

spitty
12-18-2008, 08:45 PM
i know the belt is cracked and old n stuff, but would a belt cause it to do it that bad?

C.W.
12-18-2008, 08:55 PM
Mine was doing it intermittantly last weekend while i was playin in the snow. It would drop right down to near 8 volts until i stopped and let it idle.
My crank pulley was like a big ice cube so i think my belt was slipping.
So yes a belt could cause it.
Also could be a bad battery cable, i have had ground cables go bad and cause it before. They arent always visibly bad.

caveman
12-18-2008, 09:31 PM
Check the alt out put to see how many volts its producing.

Cankickr
12-18-2008, 11:13 PM
I just went through this with my dads truck it was the cable
Like .C.W. said not always visible

spitty
12-18-2008, 11:36 PM
i changed the alternator to one that i know works, changed the belts, checked all the positive wiring, if it still doesnt work ill try changing my ground cables

ottoman
12-19-2008, 09:19 PM
make sure you have clean conections everywhere and your belt is really tight

spitty
12-19-2008, 09:48 PM
its fixed now

street legal quad
12-19-2008, 09:53 PM
you can full field the alt. should be an SI type on that chevy. stick a small screwdriver into the back of the alt. there is a spot that looks like a D and if you hit that spot it will put out max power. if it works then your regulator is shot. chances is that you dropped on diode in the tree and you lost 2/3 of your power. feel the pullys to see if the are hot after a few minutes of running. if so the belt is slipping. do you have a big stereo in it? this will take out the diodes! did you run it with out a battery? this will also kill it. so many thing it could be! but I'm not a mechanic! lol

street legal quad
12-19-2008, 09:54 PM
so what was the problem ??????

spitty
12-19-2008, 09:57 PM
so what was the problem ??????
:dontknow: no clue, just changed everything

Happypants
12-19-2008, 09:58 PM
most likely the alternator, my diesel did the same thing, replaced the alt and it was good to go

kootenaycat
12-19-2008, 10:28 PM
:dontknow: no clue, just changed everything

Do you work for Canadian Tire by any chance? [15]

spitty
12-19-2008, 10:32 PM
Do you work for Canadian Tire by any chance? [15]
haha

nope, just have parts layin around, and another truck that i dont mind temporarily steeling parts from

spitty
12-19-2008, 10:33 PM
and i dont have the tools here to check to see what exactly it was and i wanted to get to work in the morning...


taking pully's off without an impact sucks balls

C.W.
12-19-2008, 10:49 PM
Do you work for Canadian Tire by any chance? [15]
Hey i worked for them for a while...........They dont do tha................ Oh wait yes they do. [redneck]
Part of the reason i quit. And they dont pay enough.