Here are the best places to look:
* Online Pontiac parts suppliers: Websites that sell parts for classic Pontiacs often offer wiring diagrams, sometimes for free, sometimes for a small fee as a downloadable PDF. Search for "[Pontiac model year] wiring diagram" on sites like Ames Performance Engineering, Classic Industries, or YearOne. Be sure to specify the model and options if possible (e.g., "1967 Pontiac GTO, with A/C").
* Online forums and communities: Join online forums dedicated to classic Pontiacs (e.g., Pontiac enthusiast forums). Members are often willing to share diagrams or point you in the right direction.
* eBay or similar auction sites: Sometimes original shop manuals or reproduction manuals including wiring diagrams are available for sale.
* Haynes or Chilton repair manuals: While these manuals may not always contain the level of detail found in factory diagrams, they often have simplified wiring schematics. Search for a manual specific to your 1967 Pontiac model.
* Your local library or archive: Some libraries may have access to old automotive repair manuals or resources with wiring diagrams.
Important Considerations:
* Model Specificity: The wiring will vary greatly depending on the model (GTO vs. LeMans, for example) and the options (power windows, air conditioning, etc.). Be as specific as possible when searching.
* Diagram Quality: The quality of diagrams you find online can vary. Some might be clearer than others.
* Accuracy: Always double-check any wiring diagram you find against your car's actual wiring before making any changes.
Starting your search with the model name (e.g., "1967 Pontiac GTO wiring diagram") on the websites mentioned above will be the most effective approach. Good luck!
