The starter relay on a 2000 Ford Windstar isn't a single, easily identifiable component like on some vehicles. Instead, the starter's function is controlled by the
Powertrain Control Module (PCM), which acts as the electronic equivalent of a relay. There's no separate standalone starter relay to replace in the traditional sense.
If you're having starting problems, the issue is likely within the PCM, wiring harness, the starter motor itself, the neutral safety switch, or perhaps even a low battery. Troubleshooting needs to focus on these areas, not on finding a separate relay. A mechanic with a diagnostic scanner is best equipped to pinpoint the problem.