1. Disconnect the vehicle's battery. This is important to avoid electrical shock while working on the relay module.
2. Locate the relay module. In the 1992 Ford Econoline van, it is usually located under the hood, near the firewall.
3. Remove the cover of the relay module. This may require a screwdriver or other tool.
4. Identify the relay that needs to be replaced. The relay will be labeled with its function (such as "fuel pump relay" or "starter relay").
5. Remove the old relay by gently pulling it out of its socket.
6. Install the new relay by pressing it into the socket until it clicks into place.
7. Replace the cover of the relay module and reconnect the battery.
8. Test the relay module to make sure it is working properly.
