Door Locks - Power: Testing: Relay

1. Find door lock relays located in luggage compartment, under center of package tray.
2. Using a voltmeter, verify that terminal No. 4 on relays has 12 volts. See Fig 1 . Terminals No. 1 and 5 should be grounded. If not, check ground connection.
3. Disconnect relays. Ground terminal No. 1 on relays. Apply voltage to terminals No. 2 and 4 on each relay. Connect a test light between terminal No. 3 and ground. If test light does not light, replace relay(s).

Fig 1: Power Door Lock Relay Terminal Identification

Courtesy of FORD MOTOR CO.