However, the most common firing order for the 4.6L V8 in a 1994 F-150 is 1-5-4-8-6-3-7-2. This order refers to the cylinder number, not the plug wire position on the distributor cap.
To determine the correct wire routing:
1. Consult your owner's manual: This is the most reliable source. Look for a diagram showing the firing order and distributor cap wiring.
2. Inspect the distributor cap: The cap itself usually has numbers or markings indicating the cylinder corresponding to each terminal. The wires should be connected to these terminals according to the firing order.
3. Use a reliable online resource: Websites specializing in automotive repair information (like those with repair manuals) may have diagrams showing the wiring for that specific engine. Be sure to specify the year, make, model, and engine details when searching.
4. Professional Help: If you can't determine the correct order using the above methods, it's best to consult a mechanic. Improperly installed spark plug wires can lead to misfires and engine damage.
Caution: Before working on the ignition system, always disconnect the negative battery cable to prevent accidental shocks or damage.