Where is the starter relay on a 1999 ford e350 v10 van?

The starter relay on a 1999 Ford E350 V10 van is typically located in the engine compartment's fuse box. You can find the fuse box near the driver's side, close to the battery. The starter relay is often labeled in the fuse box cover, making it easier to identify. If you need to replace it, ensure you disconnect the battery first for safety.