D 150 Pickup V8-318 5.2L (1984)

Power Door Lock Relay: Service and Repair
Door Lock And Power Window Circuit Breaker And Relays Location
Disconnect the battery negative terminal. Remove the wire connector from the relay. Remove the attaching bolt that holds the relay to the instrument
panel support bracket. Install by attaching relay to the instrument panel support bracket and connecting the wires to the relay. Connect the battery
negative terminal and test the system for proper operation.