alternator belt diagram...or serpentine belt. this has a separate belt for a/c on 1990 Chrysler New Yorker

the a/c belt is a v belt. the alt or serpentine is grooved the is a tensioner pulley but no idler pulley

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1 answer
Google image or look around under the hood near the radiator for a diagram, maybe youtube. There is no idler pulley for this belt!!