Firing order for 1989 ford aerostar?

The firing order for a 1989 Ford Aerostar with a 3.0L V6 engine is 1-4-2-5-3-6. This means that the spark plugs should be installed in the following order:

1. Front left cylinder

4. Rear right cylinder

2. Front right cylinder

5. Rear left cylinder

3. Center left cylinder

6. Center right cylinder

It is important to follow the correct firing order when installing spark plugs in any engine, as this will ensure that the engine runs properly. If the firing order is incorrect, the engine may not start, or it may run rough and inefficiently.