1988 GMC Sierra 5.7L 4WD Which alternator do I need? 85 amp? 100 amp? 105 amp?

Asked by 88sierra Jun 18, 2015 at 08:04 PM about the GMC Sierra

Question type: Maintenance & Repair

I have easily determined which alternator for an '03 silverado by the service parts
identification codes in the glove box.  Not finding that for the GMC. Any suggestions?

1 Answer

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