Where is the overvoltage relay for an 1986 Volvo 240?

The overvoltage relay for a 1986 Volvo 240 is typically located in the engine compartment, near the fuse box. It is mounted on the passenger side, close to the firewall. This relay helps protect the electrical system by disconnecting the battery when voltage exceeds a certain level. Always consult the vehicle's service manual for specific details and diagrams.