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Where did you get your Alternator?

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Old 01-06-2012, 07:45 PM
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Default Where did you get your Alternator?

I'm looking for a heavier amperage alternator to keep up with my stereo and larger fuel pump. Still on the stocker and haven't had any problems, but I figured I should replace it this winter before it leaves me stranded.
Old 01-06-2012, 09:10 PM
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eBay. Pull out of a wrecked Tahoe. Came with 6 month warranty for half the price of a new one.
Old 01-07-2012, 01:39 AM
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This might help.

It says what part number to get too.
Old 01-07-2012, 01:49 AM
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how big of a stereo are we talking and are you running a cap or dry cell battery?
Old 01-07-2012, 02:21 AM
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You'll see a lot of folks swear by "truck alternators" but you can get the stock design in higher outputs. (Just pick which ever one has the additional power you need over the 102 Amp stocker.) http://www.alternatorparts.com/cs130...lternators.htm
Old 01-07-2012, 05:07 AM
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I'm running about 800w with a cap.

And I remember that thread, but forgot about it.

I'll get a truck Alt. Doesn't bother me.
Old 01-07-2012, 10:49 AM
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800 watts max or rms. either way oem alternator with big3 should be plenty
Old 01-07-2012, 11:41 AM
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Originally Posted by Guitar
eBay. Pull out of a wrecked Tahoe. Came with 6 month warranty for half the price of a new one.
I have the same unit, need to install it now
Old 01-07-2012, 01:25 PM
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Go with the truck alternator. Larger case, newer design, more reliable. CS130d sucks.

I got mine from www.dcpowerinc.com though. Not cheap there.
Old 01-07-2012, 03:42 PM
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and a dry cell battery does alot. ive ran a 2400 watt rms amp at 1 ohm stable with one dry cell battery were the cap goes and a stock alternator. for years and never had a issue. and i never seen m headligth dime once imo caps suck. but there better than nothing

if you have a bass cd play a countous note for 40 seconds with a cap and a volt meter and watch the volts go down fast

now do the same with a dry cell battery and they will stay at 13.8 volts all day

but if you do a alterntor and a dry cell you can throw anything you want at it
Old 01-07-2012, 06:47 PM
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Originally Posted by pentavolvo
800 watts max or rms. either way oem alternator with big3 should be plenty
Max.. I'll upgrade anyway. Mine is still the stocker, I just don't want to have the headache of it shitting out on me.
Originally Posted by tt383lt1
and a dry cell battery does alot. ive ran a 2400 watt rms amp at 1 ohm stable with one dry cell battery were the cap goes and a stock alternator. for years and never had a issue. and i never seen m headligth dime once imo caps suck. but there better than nothing

if you have a bass cd play a countous note for 40 seconds with a cap and a volt meter and watch the volts go down fast

now do the same with a dry cell battery and they will stay at 13.8 volts all day

but if you do a alterntor and a dry cell you can throw anything you want at it
I've got an optima red top too I forgot to mention. I'm not all out for bass, but I'm running two amps.
Old 01-08-2012, 12:06 AM
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ive got a red top and am in the process of upgrading to innovative wiring big 3 and truck alt. picked up a alternator out of a escalade with 69k on it from lkq for $48 with my core. havent put it in yet but looking forward to no more flickering lights
Old 01-08-2012, 08:24 PM
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^ Was wondering why my lights flicker on my pickup. I start it and the battery "word" in the DIS will stay there for a half a second or so................ Then about 20 seconds later the headlights will get brighter and I can hear the alt whining. Takes it THAT long to start working?? POS truck..
Old 01-09-2012, 07:50 AM
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Originally Posted by bayer-z28
^ Was wondering why my lights flicker on my pickup. I start it and the battery "word" in the DIS will stay there for a half a second or so................ Then about 20 seconds later the headlights will get brighter and I can hear the alt whining. Takes it THAT long to start working?? POS truck..
Check to see if your truck has an exciter wire. If so, that's probably this problem.
Old 01-09-2012, 10:55 AM
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Type in "KG3 alternator" into fleabay. It's the RPO code for the 145 amp option on the trucks.
Old 01-11-2012, 04:21 PM
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Originally Posted by Capricio
Type in "KG3 alternator" into fleabay. It's the RPO code for the 145 amp option on the trucks.
Thats what I picked up
Old 01-12-2012, 04:53 PM
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Will the larger alternator work on an LT1?
Old 01-13-2012, 01:23 PM
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Originally Posted by abates
Will the larger alternator work on an LT1?
Yes, but I don't know if it will be a drop in replacement or not. See if you can find a wiring diagram for your alternator that shows the labeled wires (e.g. C, L) that go to it. Compare that to the donor vehicle you're getting the alternator from.
Old 01-14-2012, 09:48 PM
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Originally Posted by dragonrage
Yes, but I don't know if it will be a drop in replacement or not. See if you can find a wiring diagram for your alternator that shows the labeled wires (e.g. C, L) that go to it. Compare that to the donor vehicle you're getting the alternator from.
Thx man



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