5.0/5.7/6.0L/8.1L ECM and Sensors 2 - 11
MEFI 4 - PCM
Fuel Pump Relay Replacement
Removal Procedure
1. Turn the ignition OFF.
2. Remove the retainer.
3. Disconnect the fuel pump relay electrical connector.
4. Remove the fuel pump relay.
Important: The fuel pump relay is an electrical
component. Do Not soak in any liquid or solvent as
damage may result.
Installation Procedure
1. Install the fuel pump relay.
2. Reconnect the fuel pump relay electrical connector.
3. Install the retainer clip.
mefi 4337
System Relay Replacement
Removal Procedure
1. Turn the ignition OFF.
2. Remove the retainer.
3. Disconnect the system relay electrical connector.
4. Remove the system relay.
Important: The system relay is an electrical component.
Do Not soak in any liquid or solvent as damage may
result.
Installation Procedure
1. Install the system relay.
2. Reconnect the system electrical connector.
3. Install the retainer clip.
mefi 4337
Starter Relay Replacement
Removal Procedure
1. Turn the ignition OFF.
2. Remove the retainer.
3. Disconnect the starter relay electrical connector.
4. Remove the starter relay.
Important: The starter relay is an electrical component.
Do Not soak in any liquid or solvent as damage may
result.
Installation Procedure
1. Install the starter relay.
2. Reconnect the starter relay electrical connector.
3. Install the retainer clip.
mefi 4337