If equipped, use a Torx™ screwdriver to remove the locking capscrew that holds the Metri-Pack™ 12-pin connectors together.

Disconnect the engine harness from the internal actuator harness connector at the front or rear of the rocker lever housing.

Release the locking tabs on the internal actuator harness connector and push the connector back through the rocker lever housing.

If equipped, disconnect the engine brake harness from the engine brake solenoids.

Disconnect the engine brake harness from the internal actuator harness at the 3-pin Deutsch™ connector.

Disconnect the internal actuator harness from each of the six injector solenoids.

Remove the five hold down capscrews securing the internal actuator harness to the rocker lever housing.