To find the firing order:
1. Identify your engine: Look for an engine ID tag (usually on the driver's side valve cover or the engine block itself). This tag will give you the engine's displacement (e.g., 302 cubic inches).
2. Consult a repair manual: Once you know the engine size, get a repair manual specific to your Mustang's year and engine. A Haynes or Chilton manual will have the firing order clearly listed, along with a diagram showing the spark plug wire routing. These manuals are readily available online and in auto parts stores.
3. Online resources: Websites like Ford's official parts website or dedicated Mustang forums might have firing order information, but always double-check against a reputable manual to ensure accuracy. Use caution with information found on less reliable websites.
Getting a picture of spark plug routing:
The best way to get a visual diagram is through a repair manual as mentioned above. The diagram will typically show:
* Cylinder number: Each cylinder will be numbered.
* Spark plug location: The location of each spark plug in the engine.
* Firing order sequence: The order in which the cylinders fire (e.g., 1-3-5-7-2-4-6-8 for a V8).
* Spark plug wire routing: The path of each spark plug wire from the distributor cap to the corresponding spark plug.
Without a repair manual:
You can try searching online using a search query like "1970 Ford Mustang [engine size] spark plug wire routing diagram." However, be sure the image you find is specifically for your engine type, as they vary significantly.
Caution: Incorrect spark plug wiring can cause severe engine damage. If you're unsure about any aspect of this process, it's best to consult a qualified mechanic.
