size amp alternator

2003 GMC YUKON
168,000 MILES • 6.0L • V8 • 4WD • AUTOMATIC
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TONYS TRUCKING
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  • 8 POSTS
i would like to know what ampage my alternator is and how do i find that out thanks if you can help me with i was told that a 200amp won't work in my truck now i'am thinking about a 145 amp can i make that work
Jan 21, 2016 at 8:51 AM
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JOHNNYT73
  • ✓ASE Certified Mechanic
  • 924 POSTS
  • ASE Certified Mechanic
What are your options from the parts store? I believe if you have all the options such as heated seats, nav, TV/DVD, and etc you need the higher amp.
Jan 21, 2016 at 8:58 AM
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WRENCHTECH
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  • 20,761 POSTS
  • ASE Certified Mechanic
You can't deviate from what the car was engineered to and came with. These alternators are not interchangeable.
Jan 21, 2016 at 9:57 AM
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