Alternator help
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Alternator help
Hey everyone....just wondering what alt i have? its a 99 gmc sierra with the 5.3L the dealers are saying i have the 105amp alt and i can get an optional 130amp alt that will bolt right on? does this sound right?
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I already have a system in the truck and my alt is rdy to crap out at anytime it has a hard time holding volts when the system it cranked....Where is this 145amp alt from??? denalis?
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I picked up my 145 from a boneyard - it was out of a '02 Suburban. One thing to note is that the factory 145 has a larger case - it'll bolt right up but you'll need a longer belt to go with it.
You also need to do the Big-3 wiring upgrade, if you haven't already.
You also need to do the Big-3 wiring upgrade, if you haven't already.
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