[header] How to put on an alternator belt [title] Locate the alternator or serpentine belt. [step] In older model vehicles, engines often came equipped with multiple belts that each powered a different accessory. However, most modern vehicles use only one belt to power the alternator as well as the power steering, air conditioning, and any other accessories. 
Depending on the make and model of the vehicle, this belt (often called the serpentine belt) is often located on the front or side of the engine. [substeps] Many american made vehicles with v6 engines or larger have the serpentine or accessory belts on the front.