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Author Topic: I have 98 chevy k3500 5.7 105 amp alternator, looking to upgrade  (Read 3420 times)

drew

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I have 98 chevy k3500 5.7 105 amp alternator, looking to upgrade
« on: December 16, 2009, 12:36:17 PM »
Original Page
[h=1]I have 98 chevy k3500 5.7 105 amp alt use truck for plowing looking to up grade alternator to at least 140 or bigger?[/h]

Question
Quote from: Leroy
I have 98 chevy k3500 5.7 105 amp alt use truck for plowing looking to up grade alt to at least 140 or bigger? Not sure witch way to go same style case or go with 140 amp type . any info would be help full thanks.

Answer
The very best alternator for your snow plow application Is the large case CS144 type alternator, this is the optional high output alternator GM used on Cadillacs, Buick's and other high draw applications.

The 140 amp unit, which is the base output, will give you 3 times more power at idle compared to the small 105 amp unit, even the upgraded version and will be much more dependable at the higher output. Upgrading you existing case size alternator would be a great disappointment. We have a version that will bolt directly in the same mounts plus we have the D1-W1206 wiring harness adapter that is needed. The stock cs103D 105 amp unit has a different shaped plus. The wiring harness adapter allows you to plug the adapter into your existing wiring then plug directly into the alternator. You must upgrade the wiring size when upgrading the alternator.

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I have 98 chevy k3500 5.7 105 amp alternator, looking to upgrade
« on: December 16, 2009, 12:36:17 PM »