HARNESS AS 2211704 - Caterpillar

Removal Procedure
Note: If the ECM is being replaced, download the personality module before you remove the ECM. Refer to Troubleshooting, "Replacing the ECM".
Turn the keyswitch to the OFF position.
Illustration 1 g01052439
Disconnect harness assemblies (2).
Do not allow dirt to enter the fuel system. Thoroughly clean the area around a fuel system component that will be disconnected. Fit a suitable cover over disconnected fuel system component.
Disconnect fuel hose assemblies (1). Immediately place caps or plugs on the openings. Note: Rubber grommets behind the ECM are held in place by the mounting bolts. The grommets help to reduce vibration. The grommets may fall when the bolts and/or the ECM are removed. Be sure not to lose the rubber grommets.
Illustration 2 g00922543
Support the ECM. Remove bolts (3) and remove ECM (4). Installation Procedure
Note: Rubber grommets behind the ECM are held in place by the mounting bolts. The grommets help to reduce vibration. Be sure to use the rubber grommets when you install the ECM.
Illustration 3 g00922543
Place ECM (4) in the mounting position. Install bolts (3).
Illustration 4 g01052439
Connect fuel hose assemblies (1). Note: You should be able to slightly move the ECM after the bolts and the fuel hose assemblies are installed. If the ECM cannot be moved slightly, check that the fuel hose assemblies are not pulling the ECM against one side of the grommets.
Connect harness assemblies (2).
Turn the keyswitch to the ON position.