5520C20 HEATER PLUGS CONTROL UNIT - R.R. - Alfa - 166 - eLearn

3314855 - 5520C20 Heater plugs CONTROL UNIT - R.R.

) Ensure that the ignition key is in the OFF position, then disconnect the negative battery terminal (-).

	Name	Connector
-	Battery	A1B

Proceed with removal - 1016A10 sound-proofing cover - r + r . 1. Disconnect the electrical connection (1a) from the diesel electronic injection system control unit and release the electrical wiring from the band (1b).

	Name	Connector
1a	Engine management control unit	M10

2. Undo the fixing nut and move the heater plugs control unit as much as necessary.

1. Disconnect the electrical connections for the heater plugs control unit.

	Name	Connector
1	Heater plugs control unit	M15

2. Remove the heater plugs control unit.

Refitting ( Removing

) Connect the electrical connections to the heater plugs control unit.Place the heater plugs control unit back in its housing and secure it using the nut.Connect the electrical connection to the diesel electronic injection system control unit and fasten the electrical wiring using the band. Proceed with refitting - 1016A10 sound-proofing cover - r + r . Connect the negative (-) battery terminal