* Repair Manual: A Haynes or Chilton repair manual specific to your year and engine will have a detailed vacuum diagram. These are readily available online and at auto parts stores. This is generally the best option for accuracy and clarity.
* Online Forums: Websites like Chevrolet forums (look for Silverado-specific forums from 1996) often have members who have posted diagrams or can offer assistance identifying hoses. Search for "1996 Chevy Silverado vacuum diagram" along with your engine size (e.g., "5.7L"). Be cautious, as the accuracy of user-submitted information can vary.
* Online Parts Stores: Websites selling auto parts (like AutoZone, Advance Auto Parts, or Napa Auto Parts) may have diagrams available when you search for parts related to your vacuum system. You might need to specify the engine size and potentially browse through diagrams for related parts like the brake booster or PCV valve.
* Your Local Mechanic or Dealership: A mechanic, especially one specializing in older vehicles, can often provide a diagram or at least assist in identifying the hoses. A Chevy dealership might also have access to service manuals with the diagram, but this option might be the most expensive.
Important Note: When using online sources, make sure you specify the correct engine size (e.g., 4.3L, 5.0L, 5.7L, etc.) for your 1996 Silverado as the vacuum systems can differ slightly between engine options. The diagram's accuracy is crucial for proper system function.
